The mouth is the first site of a process known as chemical digestion in humans. Your saliva starts the process of chemically breaking down the food you eat. Keeping this in mind, what type of organelle do believe would be numerous inside the cells of your mouth? What chemical characteristics would this organelle need to have in order to efficiently do this process?

Answers

Answer 1

The type of organelle that would be numerous inside the cells of the mouth is the lysosome. Lysosomes contain enzymes that can digest all types of biomolecules, including proteins, carbohydrates, and lipids. The enzymes inside lysosomes function best at an acidic pH, which means that this organelle would need to have the ability to maintain an acidic environment in order to efficiently carry out the chemical digestion process. Additionally, lysosomes would need to be able to fuse with food vacuoles formed by the cells in the mouth, allowing the enzymes to break down the food into smaller, more manageable components.

Answer 2

Answer:

The organelle that is likely to be numerous inside the cells of the mouth is the lysosome. Lysosomes are membrane-bound organelles that contain digestive enzymes and are responsible for the breakdown of cellular waste and macromolecules.

In the case of the mouth, the digestive enzymes present in the lysosomes of the oral epithelial cells help to break down food particles that have been taken in during the process of ingestion. These enzymes are released into the oral cavity along with the saliva, and they help to initiate the process of chemical digestion.

For this process to be efficient, the lysosomal enzymes need to have several chemical characteristics. They must be able to work at a specific pH, which is typically acidic. This is important because the pH of the oral cavity is slightly acidic, and the enzymes must be able to function optimally within this environment. Additionally, the enzymes must be able to break down a wide variety of macromolecules, such as proteins, carbohydrates, and lipids, which are found in the foods we eat.

Furthermore, the lysosomal enzymes must be able to recognize specific molecular structures present in the food particles and selectively target them for breakdown. This specificity is essential to prevent the enzymes from breaking down healthy tissues in the mouth and causing damage.

Overall, the numerous lysosomes present within the cells of the mouth and their specialized digestive enzymes are essential for the efficient process of chemical digestion and the breakdown of food particles.

Explanation:


Related Questions

due to hunting, the population of northern elephant seals was reduced to 20 individuals at the end of the 19th century. since then, their population has rebounded to over 30,000. what is the most likely long-term effect of hunting on the elephant seal population?

Answers

A decrease in genetic variety is the most long-term impact of hunting on the elephant seal population most probable.

There is a greater chance of inbreeding and genetic drift when a community is limited to such a tiny number of people, as was the case with the northern elephant seals.

As a result, there may be a loss of genetic variation, which could make it harder for the population to adjust to environmental changes and raise the risk of genetic diseases.

Even though the northern elephant seal population has increased since the turn of the 20th century, it's conceivable that in the future, the consequences of less genetic variety will start to show.

Learn more about hunting at

https://brainly.com/question/16187742

#SPJ4

5. A plant with the genotype BbCc is crossed
with a plant that has the genotype BBcc. What
is the chance that the offspring will be either
BbCc or BBcc?

Answers

Answer:

[tex]\frac{1}{2}[/tex] or 50% chance

Explanation:

Parental genotypes: BbCc × BBcc

Genes: BC Bc bC bc × Bc

[Refer to the Punnett Square attached]

The total number of offspring genotypes is 4. There is one BbCc and one BBcc. So the chance is:
 [tex]\frac{1}{4} + \frac{1}{4} = \frac{2}{4} = \frac{1}{2}[/tex]

In terms of percentage, it would be:

[tex]\frac{1}{2}[/tex] × 100 = 50% chance

which cell cycle checkpoint would a cell fail if there were a large number of errors in the replicated dna? group of answer choices g1 g2 m none of these are correct.

Answers

G2 cell cycle checkpoint would a cell fail if there were a large number of errors in the replicated dna.

The cell cycle designated spot that would probably fall flat assuming there were an enormous number of mistakes in the repeated DNA is the G2 designated spot. This designated spot is answerable for guaranteeing that DNA replication is finished and precise before the cell advances to mitosis. During the G2 designated spot, the phone checks for DNA harm or blunders that might have happened during replication, and if essential, starts fix components to address any issues. Assuming there are such a large number of mistakes in the imitated DNA, the cell may not pass this designated spot, and either go through apoptosis or postpone movement into mitosis until the blunders are fixed. This designated spot is significant for keeping up with the genomic solidness of the cell and forestalling the engendering of hereditary changes.

To learn more about G2 checkpoint, refer:

https://brainly.com/question/19741089

#SPJ4

List the five steps of a lytic viral replication cycle in order.

Answers

The lytic viral replication cycle involves five main steps: attachment, penetration, biosynthesis, maturation, and release. During the cycle, the virus attaches to the host cell, injects its genetic material, hijacks the host cell's machinery to produce viral components, assembles the new virions, and then breaks open the host cell to release the mature virions.

The five steps of a lytic viral replication cycle in order are:
1. Attachment: The virus attaches to the host cell by binding its surface proteins to the cell's receptor molecules.
2. Penetration: The virus enters the host cell, either by fusing with the cell membrane or through endocytosis.
3. Replication: The viral genome is uncoated and released into the host cell. The host cell machinery is then used to replicate the viral genetic material and synthesize viral proteins.
4. Assembly: Newly synthesized viral components are assembled into complete virus particles, called virions.
5. Release: Mature virions are released from the host cell, either by budding through the cell membrane or through cell lysis, allowing the virus to infect other cells.

For more question on viral replication click on

https://brainly.com/question/27895971

#SPJ11

Answer:

1. Attachment

2. Penetration

3. Uncoating

4. Replication

5. Release

examine the five words and/or phrases and determine the relationship among the majority of words/phrases. choose the one option that does not fit the pattern. group of answer choices atlantic comb jelly caulerpa taxifolia green crab spartina alterniflora water hyacinth

Answers

The one option that does not fit the pattern is spartina alterniflora. All the words/phrases listed are invasive species.

They are alien species introduced into ecosystems, causing harm to the environment, economy, or human health. In particular, the Atlantic Comb Jellyfish, Toucan, Blue Crab and Water Hyacinth are all invasive species and cause ecological problems in many parts of the world.

Spartina alterniflora, on the other hand, is a native grass species found in coastal wetlands of North America and does not fit the pattern of invasive species. Invasive species can displace native species and have significant economic and social impacts.

For example, blue crabs are known to devastate crustacean populations, while water hyacinths can disrupt aquatic ecosystems. Invasive species is critical to protecting Earth's biodiversity and ecological functions. 

Learn more about Species

https://brainly.com/question/13259455?

#SPJ4

which of the following moves the membrane potential of the postsynaptic neuron closer to threshold?which of the following moves the membrane potential of the postsynaptic neuron closer to threshold?inhibitory postsynaptic potential (ipsp)excitatory postsynaptic potential (epsp)opening of potassium ion channelshyperpolarization

Answers

Excitatory postsynaptic potential (EPSP) moves the membrane potential of the postsynaptic neuron closer to threshold.

EPSPs are depolarizing graded potentials that happen when a neurotransmitter binds to its receptor on the postsynaptic neuron, which causes ligand-gated ion channels to open. This depolarization can move the postsynaptic neuron's membrane potential closer to the action potential threshold, increasing the likelihood that the neuron will fire.

On the other hand, inhibitory postsynaptic potentials (IPSPs) are hyperpolarizing graded potentials that happen when ion channels open, increasing the flow of negative ions into the cell or the flow of positive ions out of the cell. This causes the membrane potential of the postsynaptic neuron to become more negative and move away from threshold, which reduces the likelihood that the neuron will fire.

To know more about EPSPs

brainly.com/question/29695383

#SPJ4

trees are rare in the savanna biome because of * 5 points a) tropical storms. b) acidic topsoils. c) frequent fires. d) limited rainfall.

Answers

Answer:

c) frequent fires.

Explanation:

Savannas are characterized by a mixture of grasses and scattered trees, with a generally open canopy that allows light to penetrate and support the growth of grasses. The trees in savannas are often fire-resistant and have adaptations to survive in the frequent fires that are common in these regions. In contrast, trees that are not adapted to fires, or that require more water and nutrients than are available in the savanna environment, are less common. So, the limited presence of trees in savannas is due to a combination of factors, including frequent fires, limited rainfall, and nutrient-poor soils.

Trees are rare in the savanna biome because of limited rainfall.

Savannas are areas that are mostly made up of grasses with sparse trees. The amount of rainfall that savannas receive is the most important factor in determining the number and size of trees that grow in them. They have a dry climate and are located near the equator, which means they receive about 20-50 inches of rainfall per year. Because of this, trees have difficulty growing in savannas. This is why trees are rare in the savanna biome due to limited rainfall.

To know more about savanna biome click here:

brainly.com/question/14323508

#SPJ11

How do systems work in a multi-celled
organism and what happens if there is a
change in the system?

Answers

in a living thing with many cells, different parts work together to keep the body working properly. For example, the breathing system brings in air and gets rid of waste, the blood system carries important things like oxygen and food to all the cells, and the immune system fights sickness. If one part isn't working right, it can affect everything else. But the body can adjust to some problems to try and keep things working as normal. This is called "homeostasis." But if there's a big problem or it goes on for too long, it can make the body sick or even cause it to stop working altogether. So it's important to take care of the whole body and fix any problems quickly.
Their cooperative organization makes it easier for each cell to meet those necessities. The systems of the organism work together to create an internal environment where nutrients are delivered to each cell for building materials and energy, and where waste is carried away so it doesn't build up in and around cells.

when these two drugs are used in combination, nephrotoxic effects are increased. multiple select question. cephalosporins aminoglycosides polyenes macrolides

Answers

The two drugs that increases nephrotoxic effects in combination are option A and B: cephalosporins and aminoglycoside.

Drug-induced nephrotoxicity is a form of renal failure that develops after being exposed either directly or indirectly to nephrotoxic prescription medications, over-the-counter goods, diagnostic tools, or complementary/alternative items. Acid-base and fluid-electrolyte abnormalities, intrarenal blockage, interstitial nephritis, nephrotic syndrome, and other mild to moderate nephrotoxic issues are all possible drug-related side effects.

Therefore, to avoid drug-induced nephrotoxicity and the development of end-stage renal disease, it is important to identify adverse drug effects as soon as possible and to have a thorough understanding of the patient's clinical history, basic renal functions, drug-related risk factors, and nephrotoxic drug combinations.

To know more about nephrotoxicity, refer:

https://brainly.com/question/28327918

#SPJ4

Correct question is:

when these two drugs are used in combination, nephrotoxic effects are increased. multiple select question.

cephalosporins

aminoglycosides

polyenes

macrolides

which of the following statements is false with respect to the tca cycle (krebs cycle) in microorganisms? a) it produces the most amount of nadh during aerobic respiration. b) in the presence of oxygen, pyruvate from glucose catabolism can be oxidized to co2 by the tca cycle. c) the molecule that enters the cycle is pyruvate. d) intermediates of the tca cycle serve as building blocks for biosynthesis.

Answers

Among the all options, Option c is false.

The molecule that enters the TCA cycle is not pyruvate. Pyruvate is first converted into acetyl CoA, which then enters the TCA cycle. The conversion of pyruvate into acetyl CoA is catalyzed by the enzyme pyruvate dehydrogenase and it results in the release of one molecule of carbon dioxide and the reduction of one molecule of NAD+ to NADH.

Option a is true. The TCA cycle produces the most amount of NADH during aerobic respiration. NADH is an electron carrier that plays a critical role in the electron transport chain, which generates the majority of the ATP produced during cellular respiration.

Option b is true. In the presence of oxygen, pyruvate from glucose catabolism can be oxidized to CO₂ by the TCA cycle. This process releases energy, which is stored in the form of ATP.

Option d is true. Intermediates of the TCA cycle serve as building blocks for biosynthesis. For example, oxaloacetate can be used for the synthesis of glucose or amino acids, while α-ketoglutarate can be used for the synthesis of nonessential amino acids.

To learn more about Pyruvate refer to:

brainly.com/question/9507938

#SPJ4

A fast-growing community along the coast of southern California faces an increasing demand for water. Suggest one way in which this community could meet its water needs.

Answers

There are a few ways to meet the water needs, which I will list below in order to provide you with more variety for your solution.

— Creation of a dam to keep water.
— Fix infrastructure so that water can be retained for longer and a larger amount, too.
— Creation of a pipe or something similar so that it would connect to other waterways/dams so that they can access more water and also store more for when it rains.

Hope this helps!

35) neuron cell bodies in the pns are clustered together in masses called a) nerves. b) ganglia. c) the spinal cord. d) peripheral nerves. e) nuclei.

Answers

The PNS's neuron cell bodies are arranged in masses known as Ganglia. The correct answer is (B).

In the case of the central nervous system, a cluster of neurons is referred to as a nucleus; If it is found in the peripheral nervous system (PNS), it is referred to as a ganglion. The structures that sit in between the central and peripheral nervous systems are called ganglia.

In the voluntary and autonomic branches of the peripheral nervous system (PNS), a ganglion is a collection of neuronal bodies. Ganglia function as synaptic relay stations between neurons. The information travels to the ganglia, stimulates a neuron there, and then leaves.

A plexus is a complicated system of ganglia that is formed when ganglia connect. Between the body's various neurological structures, such as the peripheral and central nervous systems, the ganglia serve as relay points and intermediary connections.

To learn more about Ganglia here

https://brainly.com/question/28266179

#SPJ4

What did you find difficult about matching the chromosomes?

Answers

Matching chromosomes can be challenging because of several reasons. One of the main challenges is that chromosomes are very small and difficult to see under a microscope. Additionally, chromosomes can have many similar features, making it difficult to distinguish between them. Moreover, human error in counting or identifying chromosomes can also lead to inaccuracies in matching them. Finally, different types of stains and preparation methods used to view chromosomes can affect their appearance and make it harder to match them accurately. All of these factors can contribute to the difficulty in matching chromosomes.

true or false? although less than 1 percent of body calcium is in blood and soft tissue, that small amount is vitally important in muscle contraction, nerve impulse transmission, blood clotting, and cell metabolism.

Answers

The given statement although less than 1 percent of body calcium is in blood and soft tissue, that small amount is vitally important in muscle contraction, nerve impulse transmission, blood clotting, and cell metabolism is TRUE.

Although only a small percentage of body calcium is found in the blood and soft tissue, it is still essential for vital physiological functions, such as muscle contraction, nerve impulse transmission, blood clotting, and cell metabolism. Calcium ions play a significant role in the release of neurotransmitters at the neuromuscular junction, which initiates muscle contraction.

Calcium is also crucial for the activation of several enzymes involved in cellular metabolism and blood clotting. Calcium homeostasis is tightly regulated by several hormones, including parathyroid hormone (PTH), calcitriol, and calcitonin, which work together to maintain appropriate levels of calcium in the blood.

If blood calcium levels are too low, PTH and calcitriol increase calcium absorption from the intestines and calcium reabsorption from the kidneys. If blood calcium levels are too high, calcitonin reduces calcium reabsorption from the kidneys and increases calcium deposition in bones.

To know more about cell metabolism, refer here:

https://brainly.com/question/2947244#

#SPJ11

An invasive fish species feeds on suspended plankton and algae in water. Within its five-year lifespan a single fish produces about 5 million eggs, 100,000 of which reach adulthood. How can the introduction of the invasive fish species affect the aquatic ecosystem?

Answers

Answer: due to it's inasive nature it will widespread over the larger area and feeds on planktons and algae of that area which leads to decrease in numbers of their species

Explanation:

which of the following scenarios can increase the likelihood that a certain neuron will reach threshold and have an action potential?which of the following scenarios can increase the likelihood that a certain neuron will reach threshold and have an action potential?there are equal amounts of epsp's via spatial summation as there is temporal summation.spatial summation of opening ligand-gated k ion channels and causing efflux of k ions until it reaches the threshold.there are equal and consistent amounts of epsp's as there are ipsp's in a given amount of time on a postsynaptic neuron.there is a temporal summation that causes a continuous influx of chloride anions which causes the cell to depolarize.

Answers

The scenario that can increase the likelihood that a certain neuron will reach threshold and have an action potential is "temporal summation of opening ligand-gated ion channels and causing an influx of positively charged ions until it reaches the threshold."

Temporal summation occurs when the postsynaptic neuron receives multiple EPSPs in rapid succession, which can result in the depolarization of the neuron's membrane potential. If the depolarization is strong enough to reach the neuron's threshold, an action potential can be triggered.

Opening ligand-gated ion channels, such as sodium or calcium channels, can allow positively charged ions to enter the neuron, increasing the likelihood that the neuron will reach threshold and fire an action potential.

To know more about ligand here

https://brainly.com/question/14797888

#SPJ4

Researchers have historically considered the human appendix to be a vestigial structure. What evidence, if true, would best disprove this claim?​

Answers

It will be clear that the appendix is not a vestigial structure if investigations show that it is essential to the digestive process.

What evidence might be used to refute the assertion that the appendix is a vestige?

The appendix would not be a vestigial structure, if research indicates that it contributes to immunological function. For instance, research has suggested that the appendix may serve as a "safe home" for healthy gut bacteria that can assist the gut repopulate after an illness.

The structure would not be considered vestigial if research shows that the appendix is essential to the digestive process. This would suggest that the structure is not merely a relic of the digestive process. According to one study, the appendix may assist create and safeguard the mucus that lubricates the large intestine and promotes waste removal.

To learn more about appendix visit:

brainly.com/question/13387646

#SPJ9

explain how homeostatis is like driving a car

Answers

Answer:

Explain how homeostasis is like driving a car: The speed limit must be maintained (set point). You use the effect to regulate the speed/body. The driver is the control center

While online last week, you saw the following advertisement:
Shop at Impressive lonics!
The ions in our jewelry will balance your energy
and improve your health. Nine out of ten people
report significant improvement in the way they
feel within one week of wearing our jewelry.
SALE ENDS SATURDAY!
Which of the following is the best thing to do after reading this
advertisement?
A. Read the company website to find out more about how the ions
work.
B. Look for a peer-reviewed article relating to ionization and overall
well-being.
C. Buy the jewelry before the sale ends.
D. Look for other companies that sell similar products, then compare
prices.

Answers

The best thing to do after reading it is to (A) Read the company website to find out more about how the ions work. This will help to understand the science behind the claims made in the advertisement and whether or not the claims are actually supported by scientific evidence. Doing research will help make a more informed decision regarding the effectiveness of the product.

Pedigree worksheet answers

Answers

Answer:

Explanation:

my name is aisha

in our many voyages to the planet mars we have been look for signs of life and one primary thing scientist are looking for are signs of water. why would signs of water be important for determining wether or not life exists now or has ever existed on mars? give me at least three examples of why.

Answers

Three examples of why would signs of water be important for determining wether or not life exists now or has ever existed on mars are water, history, orgainc molecules.

Water is essential for life as we know it: All living organisms on Earth require water to survive. Water is a key ingredient in many of the chemical reactions that take place within living cells. If there was ever life on Mars, it would have needed water to survive, grow, and reproduce. Therefore, the presence of water on Mars increases the chances of finding life.

Water can provide clues about the planet's history: Mars has a complex geological history, and the presence of water can provide important clues about its past. For example, the shape and size of river channels and the distribution of minerals in Martian soil can help scientists understand how water flowed on the planet in the past and whether conditions were favorable for life.

Water can protect and preserve organic molecules: Organic molecules, the building blocks of life, can break down quickly in harsh environments. However, water can help protect and preserve these molecules by shielding them from radiation and other destructive forces. If life ever existed on Mars, it is possible that organic molecules could be preserved in the planet's water-rich environments, providing evidence of past life.

To know more about water here

https://brainly.com/question/25796102

#SPJ4

Student 1: Wow ! I am so hot and sweaty ! I need some water to cool down . Student 2 : My cheeks are really red . Student 3: am breathing so hard, I can barely catch my breath! Explain what is happening to the students and how their bodies are trying to maintain homeostasis. Be sure to include any of the organ systems involved with each student.

Answers

A disease-causing homeostatic imbalance may exist. There are two main ways that toxicity or deficiency can lead to disease or cellular dysfunction.

How do breath and breathe differ from one another?

We refer to inhaling and exhaling as "breathing" in our everyday speech. A whole breathing cycle is referred to as a breath in a noun. It also includes the air that is breathed in or out. Many meanings can be derived from both words.

How do you include breath into a sentence?

Breath odor is a result of smoking. After exhaling deeply, he started to ascend the stairs. She slumped against the door, struggling for breath. With barely a breather, he spoke for one and a half hours.

To know more about Breath visit:

https://brainly.com/question/3887418

#SPJ1

Help! Question
Which option best describes a stable ecosystem?

one with a high diversity in species

one where a couple species dominate

one that is primarily composed of plants

one with many predators and few prey

Answers

Answer: one with a high diversity in species.

Explanation: i took the test and got it right!

An option that best describes a stable ecosystem is one with high diversity in species. Thus, the correct option is A.

What is an ecosystem?

An ecosystem may be characterized as a place or an area where members of different species live together and interact with one another for the purpose of food, shelter, space, and other things in order to facilitate their own survival.

An ecosystem is one where individuals of different species live. An ideal ecosystem is one that has a maximum level of diversity within the same or different species. Overall, ecosystems display a high range of diversity.

Therefore, an option that best describes a stable ecosystem is one with high diversity in species. Thus, the correct option is A.

To learn more about Ecosystem, refer to the link:

https://brainly.com/question/842527

#SPJ2

7.3) which tissue has highly oriented collagenous fibers aligned in the direction of the applied tensile force?

Answers

The most appropriate tissue for this question is D. Tendon. Tendons are dense connective tissues that connect muscles to bones, and their collagen fibers are highly oriented.

Tendons are thick connective tissues made fundamentally out of collagen strands that associate muscles to bones. These strands are profoundly situated toward applied elastic power, permitting ligaments to endure the huge powers produced during muscle constriction. Tendons are fundamental for sending force from muscles to bones, empowering us to move and perform proactive tasks. The direction of collagen strands in ligaments is basic to their capability, as it considers most extreme protection from tractable powers toward muscle pull. This makes ligaments exceptionally impervious to tearing and different wounds, making them basic parts of the outer muscle framework.

To learn more about Tendons, refer:

https://brainly.com/question/3205735

#SPJ4

The complete question is:

From the following tissues, select the most appropriate one for the questions:

A. Blood B. Skin C. Bone D. Tendon E. Aorta

Which tissue has the highly oriented collagenous fibers aligned in the direction of the applied tensile force?

what bone feature is used as a passageway for a nerve

Answers

The bone feature that is used as a passageway for a nerve is called a Foramen. A foramen is a small opening or hole in a bone that allows nerves, blood vessels, and other structures to pass through. For example, the foramen magnum is a large opening in the base of the skull that allows the spinal cord to pass through.

Other examples of foramina in the human body include the following: Foramen oval: A small opening in the skull that allows nerves and blood vessels to pass through. Foramen rotundum: A small, circular opening in the skull that allows a nerve called the maxillary nerve to pass through. Foramen spinosum: A small, irregularly shaped opening in the skull that allows a nerve called the middle meningeal artery to pass through.

The shape and size of foramina can vary depending on their location in the body and the structures that need to pass through them. In some cases, foramina can become blocked or compressed, leading to nerve or blood vessel damage. Bone markings are invaluable to the identification of individual bones and bony pieces and aid in the understanding of functional and evolutionary anatomy. They are used by clinicians and surgeons, especially orthopedists, radiologists, forensic scientists, detectives, osteologists, and anatomists

To learn more about Foramen:

https://brainly.com/question/29556899

#SPJ11

in the electron transport chain during aerobic respiration, what does oxygen do? group of answer choices it oxidizes electron carriers. it is the cofactor for atp synthase. it is the final electron acceptor. it facilitates enzyme function.

Answers

In the electron transport chain during aerobic respiration, oxygen serves as the final electron acceptor. option (3)

During aerobic respiration, oxygen serves as the final electron acceptor in the electron transport chain. In this process, the electron carriers NADH and FADH2 pass their electrons through a series of protein complexes, generating a proton gradient across the mitochondrial inner membrane.

This proton gradient is then used by ATP synthase to generate ATP, the primary energy currency of cells. Without oxygen, the electron transport chain would become backed up, and the cell would be unable to produce ATP efficiently, leading to cellular damage or death. Oxygen is therefore essential for aerobic respiration and is a critical component in maintaining the cellular energy balance.

Learn more about aerobic respiration

https://brainly.com/question/12605249

#SPJ4

Full Question: In the electron transport chain during aerobic respiration, what does oxygen do? group of answer choices

it oxidizes electron carriers. it is the cofactor for atp synthase. it is the final electron acceptor. it facilitates enzyme function.

swine are vulnerable to infection by bird flu virus and human flu virus, which can both be present in an individual pig at the same time. when this occurs, it is possible for genes from bird flu virus and human flu virus to be combined. if the human flu virus contributes a gene for tamiflu resistance (tamiflu is an antiviral drug) to the new virus, and if the new virus is introduced to an environment lacking tamiflu, then what is most likely to occur? swine are vulnerable to infection by bird flu virus and human flu virus, which can both be present in an individual pig at the same time. when this occurs, it is possible for genes from bird flu virus and human flu virus to be combined. if the human flu virus contributes a gene for tamiflu resistance (tamiflu is an antiviral drug) to the new virus, and if the new virus is introduced to an environment lacking tamiflu, then what is most likely to occur? the tamiflu-resistance gene will undergo mutations that convert it into a gene that has a useful function in this environment. if the tamiflu-resistance gene confers no benefit in the current environment, and has no cost, the virus will increase in frequency. if the tamiflu-resistance gene involves a cost, it will experience directional selection leading to reduction in its frequency. the new virus will maintain its tamiflu-resistance gene, in case of future exposure to tamiflu.

Answers

If the tamiflu-resistance gene confers no benefit or cost in the current environment, the virus will most likely increase in frequency.

However, if the tamiflu-resistance gene involves a cost, it will experience directional selection leading to a reduction in its frequency. The cost could be in the form of reduced replication or transmission rates, which would make the virus less competitive in the absence of tamiflu.

The tamiflu-resistance gene may undergo mutations that convert it into a gene that has a useful function in the current environment, but this is not guaranteed. It is also possible that the new virus will maintain its tamiflu-resistance gene in case of future exposure to tamiflu, even though it may not provide a current benefit. Overall, the fate of the tamiflu-resistance gene will depend on the specific characteristics of the virus and its environment.

To learn more about tamiflu-resistance gene refer to:

brainly.com/question/14734904

#SPJ4

when an individual is stressed, which glands produce the nonspecific physiologic responses of the general adaptation syndrome? select all that apply.

Answers

The adrenal glands are responsible for the general adaption syndrome's non-specific physiological reactions to stress.

The Canadian scientist Hans Selye developed the term "general adaptation syndrome" (GAS) to characterise the body's reaction to stress. The alert stage, the resistance stage, and the weariness stage are the three stages of the GAS, according to Selye. Namely, the adrenal cortex generates the hormone cortisol, which raises blood sugar levels and inhibits the immune system, and the adrenal medulla produces adrenaline (epinephrine), which triggers the "fight or flight" response.

Hence, the glands that generate the general adaptation syndrome's nonspecific physiologic reactions under stress are:

Adrenal medullaAdrenal cortex

To know more about adrenal glands,

https://brainly.com/question/23487477

#SPJ4

the vibrio cholera produces its toxin because of a gene transferred to it by a bacteriophage. this phenomenon illustrates an example of:

Answers

Answer:

The phenomenon illustrated in the given scenario is horizontal gene transfer.

The phenomenon in which vibrio cholera produces its toxin because of a gene transferred to it by a bacteriophage is known as Transduction.

Transduction is the process in which genetic material is transferred from one bacterium to another through a virus. The process of transduction allows bacteriophages to transport bacterial genes to other bacteria. The Vibrio cholera bacterium causes cholera, which is a diarrheal disease that can be deadly if left untreated. The bacterium produces its toxin due to the transfer of a gene by a bacteriophage. Transduction is the process of transferring genetic material from one bacterium to another through a virus. This is a way that bacteriophages can transport bacterial genes to other bacteria, allowing them to produce toxins or other virulence factors. Thus, the phenomenon in which Vibrio cholera produces its toxin because of a gene transferred to it by a bacteriophage is known as Transduction.

To know more about Transduction click here:

brainly.com/question/30747855

#SPJ11

spraying with water to clear leaves off a porch is a good way to conserve water true or false​

Answers

Answer: False

Explanation:

Spraying water to clear leaves off a porch is actually a waste of water. It is better to use a broom or a rake to sweep off the leaves, which will not only conserve water but also provide some physical activity.

Other Questions
rory threatens physical harm to force suki to sell her business, toney tours, inc., to rory for a below-market price. this is group of answer choices a legitimate business tactic. duress. fraud. undue influence. all of the following types of groups are eligible for group life insurance except a)a group of creditors b)labor union groups c)employer group plans d)trade association groups What is the monthly mortgage payment on a $500,000 6% 30-year mortgage? You canuse the formula Payment = PV/ {1- 1/(1+r)"}/r keesha is making fruit juice with red and green grapes. thirty percent of the grapes are green. if she used a total of 80 grapes how many green grapes did she use? what term does the cobbler use that confuses marullus who calls him a saucy fellow? why is marullus confused? If an acute angle increases, then its supplementSelect one:a. stays the sameb. increasesc. decreasesd. not enough information Some people prefer the lifestyle and activities offered when living in a cold weather others prefer a hot environment. Discuss both views and give your opinion 32.1. In capitalism, consumers answer the what question as they spend their dollars for the goods andservices that they most desire.- In capitalism, the what..32.2. The working population are people for work within the nation. We are thinking of all these peoplewhen we talk about the national labour force'The working population ..... Derive from first principle the equation of motion of a one dimensional standing wave any one have taken the novel peak study guid pls help why did rolf give peak a doubtful look on page 244 Instructions: Select all the statements that are true. The Fox River Fishing Club held its annual bass fishing contest last weekend. The contest organizer recorded the weight of each fish.Bass weights (lb.)468101214What was the interquartile range of the weights? What are the coordinates of each point after quadrilateral ABCD is rotated 270 counterclockwise about the origin? How does Jeannette's family see themselves?How might the desert symbolize the family?(The Glass Castle by Jeannette Walls) 54. sales and customer care at ursa major solar need to see different fields on the case related list from the account record. sales users want to see case created date and status while customer care would like to see owner, status, and contact. what should the administrator use to achieve this? It was a very ............. match! England won with 3-2 with a goal in the last minute zincproteinVitamin DVitamin B12omega 3calciumironsunlight, supplementfortified soymilk, yeast, supplementdark qreen leafy vegetables, dried fruitenriched eggs, flaxseed, walnuts, canola oil, soy, chia seed, supplementgreens, tofu, calcium-fortified orange juicewhole grains, legumes, vegetables, seeds, nuts, textured vegetable protein, meatanalogues, vegan protein powdersoy products, legumes, grains, cheese, nuts What is the range for the parabola below:a. (-, -2)b. [-2, + )c. (-, + )d. (-2, + ) How does turners internal conflict as the preachers son relate to the setting of the empty beach? turner is glad the beach is empty; he was curious about the smoke in the air and wanted to investigate it on his own. turner is relieved the beach is empty; he hates being watched by the townspeople because he is the preachers son. turner is happy that the beach is empty; he is wearing his white shirt, and as the preachers son, he is not supposed to get his shirt dirty. turner is excited that the beach is empty; he is waiting for lizzie to show up, and as the preachers son, hes not supposed to be friends with her. An animal have a mass of 0.0000010 kg, kicks the ground, advances 0.77 mm and reaches a maximum height of 0.30 m. What is the animal's acceleration relative to Earth's gravity, and what is the external force exerted by the ground on the animal's feet? Consider parabolic path, and use the angle of the jumping (Hint use tan(theta)=4H/R, where H is the maximum height and R the range.