CO2 molecule makes the largest contribution to the biomass of a tree.
In the context of ecology, biomass refers to live species, whereas in the context of bioenergy, biomass refers to materials from recently living (but now dead) organisms. There are differences in how biomass is defined in the latter situation, such as exclusively from plants plants and algae, or plants and animals. Plants provide the great bulk of the biomass utilised in bioenergy. Bioenergy is a form of renewable energy that has the potential to help mitigate climate change.
Because we can always grow more trees and food, and garbage will always exist, biomass is a renewable energy source. Wood, cereals, dung, and some waste are examples of biomass fuels.
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True or false? Water molecules move into and out of cells through the cell membrane by active transport.
The statement "Water molecules move into and out of cells through the cell membrane by active transport" is definitely false.
What is Active transport?Active transport may be defined as a type of transport that significantly occurs against the concentration gradient and is mediated with the help of carrier proteins. In this type of transport, metabolic energy is utilized in order to migrate ions or molecules against a concentration gradient.
Water molecules throughout the cell are mediated by the process of diffusion where ions are molecules that generally migrate from the region of higher concentration to the lower concentration through a semi-permeable membrane.
Some examples of active transport include the passage of sodium and potassium ions through the sodium-potassium pumps.
Therefore, the statement "Water molecules move into and out of cells through the cell membrane by active transport" is definitely false.
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What are 3 vegetarian choices for protein?
Three vegetarian choices for protein includes Grains and pulses, Dairy products and Soya and tofu.
Protein for vegetarians include beans, peas, and lentils, nuts and seeds and soy products. Protein is one of the most essential nutrients for daily life , as they are required to help your body repair cells and make new ones. Protein also plays crucial role in growth and development in children and expecting mothers .
In general , proteins are required for the repairing and building your body's tissues, They also allows metabolic reactions to occurs at place for easy body function . Hence , vegetarians should include protein from variety of protein sources to ensure proper body functioning .
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this is probably easy but im not smart, so here
Once organisms die, their organic remains are decomposed. If they are left under the earth with heat and pressure for millions of years they can become fossil fuels. What are three examples of these?
Answer:
Three examples of fossil fuels are:
1). Petroleum
2). Coal
3). Natural gas
3. Why might human immunodeficiency viruses (HIV) not cause symptoms right away?
Which cells do they infect?
Please help
Answer:
HIV may not cause symptoms early on. People who do have symptoms may mistake them for the flu or monoSkin rash.
Symptoms may appear from a few days to several weeks after a person is first infected. The early symptoms usually go away within 2 to 3 weeks.
HIV (human immunodeficiency virus) is a virus that attacks the immune system
There are two types of HIV:
HIV-1, which causes almost all the cases of AIDS worldwide
HIV-2, which causes an AIDS-like illness. HIV-2 infection is uncommon in North America.
Explanation:
What are the primary methods of confirming endotracheal tube placement within the trachea NRP 8?
Primary methods of confirming endotracheal tube placement within the trachea is Demonstration of exhaled carbon dioxide (CO2) and a rapidly increasing heart rate.
Endotracheal intubation can be done either as an emergency procedure (e.g., for diaphragmatic hernia, severe airway anomalies, failure of mask ventilation, prolonged ventilation, endotracheal tube (ETT) change, or instillation of surfactant) or as an elective or semi-elective surgery.
Chest radiography can be used to validate ETT location, but this procedure is sometimes delayed. As a result, a number of quick point-of-care techniques to verify proper tube placement have been developed, including clinical symptoms, exhaled CO2, respiratory function monitors (RFMs), and ultrasound.
Radiology of the chest The proper tube position within the trachea, which should be just below the level of the vocal cords and significantly above the carina, can be confirmed using a chest radiograph. Before X-ray confirmation, various methods have been documented to place the tube over the carina.
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Propose an explanation for how a single amino acid substitution could cause such a dramatic difference in the final shape of red blood cells
A single amino acid substitution in a protein can cause a dramatic difference in the final shape of red blood cells through changes in the protein's conformation.
Proteins are composed of a sequence of amino acids and their three-dimensional structure is determined by the interactions between different regions of the protein, such as the hydrogen bonds, electrostatic interactions, and hydrophobic interactions. These interactions help to keep the protein in its specific conformation, which is essential for its function. A single amino acid substitution can alter these interactions and disrupt the protein's conformation. This can lead to changes in the shape and properties of the protein.
In the case of red blood cells, a single amino acid substitution in a protein that is responsible for maintaining the shape of the cell can cause the cell to change shape. For example, a substitution in the protein spectrin, which is a component of the cell membrane, could cause the membrane to be more or less flexible and thus resulting in a change in shape of the red blood cell. This change in shape can affect the mechanical properties of the cell and can have a significant impact on its ability to flow through capillaries and deliver oxygen to tissues.
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What makes mollusks different from other animals?
Mollusks have soft bodies, and their bodies are not divided into rings like the segmented .Mollusks also have a hard outer shell to protect their bodies. These characteristics makes mollusks different from other animals.
Four common characteristics that all mollusks share , are having soft bodies, a mantle, a visceral mass, and the foot.
The phylum Mollusca has many distinctive features and special characteristics, which include a mantle cavity, visceral mass, foot, and radula. Mantle is the cavity which is used for breathing and excretion purpose , radula is longue like structure that helps in sensory and food grasping purpose. Mollusks also includes various classes like Gastropod, Bivalvia, Cephalopoda, and Polyplacophora .
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A template strand of DNA is TACCGATTGCA
What is the complementary DNA strand that is created from this template during
replication?
A. TGCAATGCCTA
B. TAGGCATTGCA
C. AUGGCUAACGU
D. ATGGCTAACGT
Answer:
ATGGCTAACGT so D
Explanation:
because in DNA adenine always pairs with thymine and Cytosine with Guanine. you can also remember them as Apple Tree and Car Garage.
how do natural selection gene flow and genetic drift contribue to variation in population drift
Natural selection, genetic drift, and gene flow are mechanisms that cause changes in allele frequencies over time, contrary to the Hardy-Weinberg assumption, and evolution occurs.
Evolution refers to changes in the genetic composition of a population of organisms over time. There are four forces that work together to effect evolution: mutation, natural selection, genetic drift, and gene flow. First, natural selection is a mechanism by which organisms with beneficial traits become more likely to inherit those traits, increasing the population of the next generation.Genetic drift results from random changes in allele frequencies. , these changes may restore or promote genetic diversity. Gene flow is the exchange of genes between populations by migration or mating, which can introduce new alleles and introduce genetic variation into populations. Ultimately, mutation produces genetic variation by spontaneously forming new alleles.
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Can someone help me please? if you've done the nitrogen cycle on gizmo about the blue baby syndrome please respond
Gizmo High nitrate levels in a newborn's drinking water are typically the cause of the blue baby syndrome. To save other babies from getting sick and to identify the source of the elevated nitrates is crucial.
Blue infant syndrome is most frequently brought on by nitrate-contaminated water. A baby's body turns nitrates into nitrites after consuming formula prepared with nitrate-rich water. The body's haemoglobin binds to these nitrites to generate methemoglobin, which cannot transport oxygen.
A well-known risk factor for child methemoglobinemia is preparing infant formula using drinking water that has been polluted with nitrogen cycle. Infants that are affected have strange blue-gray skin and, depending on the degree of their disease, may become agitated or sluggish.
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The illustration shows bones and for animals the bones labeled they are known as?
Answer:
homologous structure
Explanation:
What is the function of the repressor in the E. coli lac operon?
O A repressor is a type of DNA sequence which activates or inactivates the expression of the lac operon genes by acting as a protein binding site. O A repressor is a type of protein that inactivates the expression of the lac operon genes by binding to the DNA of the lac operon. O A repressor is a type of DNA sequence that is located outside the lac operon and expresses the protein that controls lactose gene expression. O A repressor is a type of DNA sequence that activates the expression of the lactose genes by acting as an RNA polymerase binding site for the lac operon.
Ded by a DNA sequence called as a repressor. A repressor is a DNA sequence that activates expression.
What is protein?Explain protein. Protein makes up the majority of the body's organs, tissues, and body parts, include muscle, bones, skin, and fur. It helps to produce enzymes, which power countless chemical reactions, and hemoglobin, which carries oxygen in the blood.
What benefits does protein offer?Protein is an essential part of the processes that give you energy and enable your blood to carry oxygen throughout your body. In addition, it encourages the creation of antibodies that fight off illnesses and infections, keeps
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which 'omics technology requires reverse transcriptase?
a. metabolomics
b. RNA seq
c. genomics
d. proteomics
e. ChIP-seq
Answer:
d. proteomics i think
Explanation:
Omics technology requires reverse transcriptase in the filed of proteomics. Thus, the correct option is D.
What is Omics technology?
Omics technologies are the field of science which primarily aims at the universal detection of genes which is genomics, transcriptomics in the detection of mRNA, proteomics for the detection of protein, and metabolomics for the detection of metabolites in a specific biological sample. Omics technologies have a broad range of applications in research.
Omics technologies aim at the collective characterization and quantification of the pools of biological molecules and samples that translate into structures, functions, and dynamics of an organism or a group of organisms.
Therefore, the correct option is D.
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PLEASE HELP PLEASE PLEASE PLEASE PLEASE HELP PLEASE PLEASE PLEASE PLEASE HELP PLEASE PLEASE PLEASE
Answer:
B
Explanation:
So lets go over facts of mieosis and mitosis:
Meiosis is sexual reproduction
Mitosis is asexual reproduction
Meiosis in animals is how they reproduce
Mitosis in animals is how they regenrate their cells
Mitosis copies the orgninal cell.
Meiosis mixes a male and female egg and sperm to form a zygote
Ok, knowing this. We can find our answer.
Since we know meiosis is sexual, and mitosis asexual, we can get rid of C.
We also know that meiosis is in animals, and so is mitosis, so we can get rid of A.
Finally we can get rid of D, since we know due to the male and female genetics(and through the swapping of chromesomes during prophase)that genetic variation occurs in meiosis, but since mitosis copies a single cell, it is not genetically varient.
So the answer must be C, which states that Mitosis has genetically identical cells, while mieosis does not.
Hope this helps! ;)
can anyone help me with this , please! need help asap ill give brainliest ( i inserted a picture)
Answer:
Small core, 30 coils
Explanation:
That's what the bar graph says
Brainliest pls!
Answer:
the first circle the 30 small coil
Explanation:
Hydrogen bonds are __ times weaker than covalent bonds so they are easily broken
1
10
100
1000
Explanation:
10
please mark me brainliest if it helps you then plzz
Answer:
The correct answer is actually 100x weaker.
Explanation:
They have energies of 1–3 kcal mol-1 compared to roughly 100 kcal mol-1 for a carbon-hydrogen covalent bond.
Hope this helps ya! Have a good day!Need help ASAP! Will give brainliest;) NO LINKS please, WILL REPORT.
Which is the most accurate evidence of an evolutionary relationship between two organisms?
A). Similarity in niche
B). Similarity in habitat
C). Similarity in behavior
D). Similarity in DNA
Answer: D
Explanation: Every other choice can be changed with environment and other factors but DNA can effectively compare organisms.
Which of the following is a benefit to
free-range agriculture?
A. decreased prevalence of disease
B. increased prevalence of disease
C. increased use of antibiotics
D. increased numbers of animals in cages
Answer:
The answer is A. decreased prevalence of disease
The geyser basin hot springs at Yellowstone National Park is a great place to observe the growth of thermophiles, microbes that can live in extremely hot waters. True False
The hot springs of Geyser Basin in Yellowstone National Park are a great place to observe the growth of thermophiles. Thermophilic microorganisms can live in very hot water. This statement is true.
The term "thermophile" refers to bacteria that can grow at temperatures up to 55°C (minimum 45°C, optimum temperature range 55-65°C, maximum 80°C). Hyperthermophiles (extreme thermophiles) are microorganisms that can grow at temperatures as high as 113°C, ideally 80°C. Examples include Bacillus stearothermophilus, Thermoplasma acidophilus, and Thermus aquaticus.
Hot springs are often home to microbial communities adapted to life in hot, mineral-rich waters. Oxygen and light levels are lower in hot springs. Almost all hot springs and geysers are home to thermophilic bacteria.
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A chemical equation is shown below. Which substance below is NOT a product in this equation?
Answer:
you didnt give us the equation
Explanation:
Select the best answer for the question
19. Why do the proportions of sand, silt, and clay in a soil matter?
O A. Silt should be conserved but not other types of soil.
O B. Plants grow in clay but not other types of soil.
O C. Microorganisms live ingome but not all types of soil.
O D. This determines the texture and water retention of soil
Answer:
Explanation:
D
ayo biology ppl
which class ring should i get for everyday wear
im leaning towards the gold one a lil
Great minds think alike! I also think the golden one is the best choice.
Go for it!
What are the levels of organization within the human body from the most simple to the most complex?
a.organ, organ system, cell, tissue, organism
b.cell, organ, tissue, organ, organ system, organism
c.cell, tissue, organ, organism, organ system
d.cell, tissue, organ, organ system, organism
Answer:
D. cell, tissue, organ, organ system, organism
Explanation:
also before cells there are also (and in order) atoms, molecules, organelles
(have a great day!)
;)
***HELP*** What is the role of a keystone species?
Limiting the abundance of a competitively dominant species
Populating the ecosystem to decrease diversity
Exploiting the key resources in an ecosystem
Competitively dominant to other organisms in the ecosystem
Answer:
D. Competitively dominant to other organisms in the ecosystemA keystone species is an organism that helps define an entire ecosystem. Without its keystone species, the ecosystem would be dramatically different or cease to exist altogether.
Hope that helps! :)
-Aphrodite
Explanation:
PLS HELPPPPPPP DUE TODAY!!!!!!
(True or False) The replication of DNA requires little to no energy expenditure
Answer:True
Explanation: The process of breaking the hydrogen bonds between the nucleotides of the double helix strand of the DNA requires energy.
Kelp forests are a very important ecosystem in marine waters by supporting important biodiversity. These kelp forests are threatened by all of the following except _____.
Kelp forests are a very important ecosystem in marine waters by supporting important biodiversity. These kelp forests are threatened by all of the following except presence of large predators.
Kelp forests are an incredibly important marine ecosystem that provide a variety of benefits to the surrounding environment. They are a prime source of habitat and food for a large variety of species, including fish, invertebrates, and even certain species of seabirds. In addition, kelp forests also act as a type of buffer, protecting coasts from erosion and providing habitat for juvenile fish, which helps to maintain coastal fish populations. Unfortunately, kelp forests are threatened by many factors, including overfishing, pollution, and climate change.
The one factor that does not threaten kelp forests is the presence of large predators. While large predators can have a significant impact on the overall structure of a kelp forest, they are not directly responsible for the decline and destruction of kelp forests. For example, while sea otters, seals, and sea lions can have a significant impact on kelp forests by over-browsing, they are not the cause of the decline in kelp forests.
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or each sequence of DNA is shown. Write the complementary RNA sequence underneath the letters, thenuse the codon chart to determine the amino acid sequence:DNA → A C A T T T C A G A C C G T C
Answer:
UGU-AAA-GUC-UGG-CAG
Cys, Lys, Val, Trp, Gln
Explaination:
Apples Under Trees
That sentence will make sense in a second,
A(Adenine) goes with T(Thymine)
G(Guanine) goes with C(Cytosine)
Ex: CAT
->GTA
That's DNA's complementary DNA sequence.
For DNA converting to RNA
(Where Apples Under Trees comes in)
T(Thymine) will be replaced with U(Uracil)
Ex: CAT
->GUA
Codon chart:
For the codon chart, I like to use the circle one.
Steps:
We will be finding the sequence GUA :)
1. Find the first FOUR boxes in the middle. (Color Coded tan)
We have G first, so go on to the next section.
(as you can see the codon chart is split into four sections)
2. Find the next letters (Color coded light green) and find U because that's the letter after G.
3. Find the next letters (Color coded white) and find the amino acid the letter matchs to.
If you got VAL you did it correctly :)
I need someone to explain this
Light energy is captured in the process of photosynthesis which stores the energy in organic molecules to be used in the process of respiration.
What is Photosynthesis?This is referred to as the process in which green plants manufacture food in the presence of sunlight which is stored in the molecular bonds of organic molecules such as sugars.
It is used during the process of respiration by cells of the body and it involves the production of energy from the oxidation of complex organic substances as result of the body taking in oxygen and giving off carbon dioxide which is therefore the reason why they were chosen as the correct choices.
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The purpose of this experiment is to separate the pigments to identify each pigment by their color properties and how far they travel using paper chromatography.
The purpose of this experiment is to separate the pigments to identify each pigment by their color properties and how far they travel using paper chromatography is the goal of the experiment separation of pigments by paper chromatography.
Paper chromatography is a separation method in the form of color propagation that can be seen on the chromatography paper and the spots that are there to compare the spots from the sample and the spots from the standard.
Filter paper in paper chromatography is used as a stationary phase in the separation process. The selection of filter paper used is one of the determining factors for success in chemical separation and analysis. So in paper chromatography experiments the dyes will be distributed, so that the pigments can be easily separated and identified based on their color properties.
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