The red blood cell will have released water in order to equalize concentrations on either side of the membrane.
Why did the red blood cell release water?The red blood cell in question was placed in a hypertonic solution. This means that the solute concentration outside the cell is higher than that of it's inside concentration. This mean that through the process of osmosis, the cell will release water in an attempt to dilute the outside concentrations and achieve a balance. This will likely cause the cell to decrease in volume.
Therefore, we can confirm that the red blood cell will have released water in order to equalize concentrations on either side of the membrane.
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By rotating their crops, farmers can significantly reduce the amount of pesticides necessary to
protect them from harmful insects. One farmer decides that using additional pesticides instead of
rotating crops would make things easier.
Select one or more:
a. sediment
b. toxic
O c. nutrient
O d. bacterial
A farmer using additional pesticides instead of rotating crops would make things more toxic for the plant and the environment
What is crop rotation?Crop rotation is a system of cropping in which different crops are planted on a particular piece of land every planting season.
Crop rotation helps to reduce the use of pesticides which are toxic to the environment.
Therefore, the farmer using additional pesticides instead of rotating crops would make things more toxic for the plant and the environment.
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Which of the following might occur if people fail to conserve water? a. increased sewage system failures b. increased numbers of natural pollution filters c. increased water supply d. increased wildlife habitats Please select the best answer from the choices provided A B C D
Answer:
A. ) Increased sewage system failuresExplanation:
How can failing to conserve water contribute to the greater water contamination?Desalination has no known negative impacts on the environment. How can failing to conserve water contribute to greater water contamination? a - Over irrigating fields causes an increase in pollution that results from runoff.the moon has a stronger influence on earths tides than the sun because the moon— a. is denser than the sun b. has more mass than the sun c. is much closer to earth d. moves much faster relative to earth
Answer: The correct answer would be C. Hope this helps!
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Question 5 (1 point)
River plants have to cope with moving water. Plants, like eelgrass, have short wide
leaves so they don't get washed away.
True
False
Answer:
False
Explanation: I took the test. It is false eelgrass has long leaves.
Answer:
false
Explanation:
Why is it that mutations to
body cells do not affect offspring?
Answer:
Since all cells in our body contain DNA
Explanation:
Since all cells in our body contain DNA, there are lots of places for mutations to occur; however, some mutations cannot be passed on to offspring and do not matter for evolution. Somatic mutations occur in non-reproductive cells and won’t be passed onto offspring. Its seeds will not carry the mutation. Somatic cells give rise to all non-germline tissues. Mutations in somatic cells are called somatic mutations. Because they do not occur in cells that give rise to gametes, the mutation is not passed along to the next generation by s means.
During meiosis i, maternal and paternal chromosomes come together during the process called ________ to form a ________.
Answer:
synapsis, tetrad
Explanation:
In seed-bearing plants, what structure becomes the seed following fertilization?.
The ovule becomes the seed.
What changes must humans make to protect the environment
Answer:
According to climate experts, it is urgent to fight the growth of the greenhouse effect, which, by contributing to the excessive warming of the planet, threatens its ecological balance. From the reduction of fossil fuel consumption to the geological storage of CO2, many solutions are envisaged to preserve a balance threatened by increasing industrialization and the development of transport.
Reducing CO2 emissions requires simultaneous action on several fronts: controlling energy demand, improving energy efficiency during production and conversion of fossil fuels, replacing fossil fuels with energy containing less or carbon and the establishment of a market for tradable CO2 emissions permits.
A new way to fight greenhouse gases is the capture of these gases from its source of production and its storage in the underground, appears as a promising solution to face the risk of climate change. Major scientific breakthroughs are expected in this area.
Explanation:
Constrictions in the vocal tract will raise or lower the formant frequency. How is the first formant frequency, which is also known as F1, lowered
The formant frequency can be lowered by raising the height of the tongue
What is formant frequency?Formant frequency refers to the resonant frequencies of sound signals which are produced during speech, playing of musical instruments or when singing.
The first formant frequency is known as F1.
Movements of the vocal tract will raise or lower the formant frequency through constrictions of the vocal tract as well as movement of the tongue.
The formant frequency, which is also known as F1 can be lowered by raising the height of the tongue.
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Brownfields are best described as _______. a. parcels of polluted land that cannot be redeveloped safely b. polluted land that must be remediated before being redeveloped c. land where pollution has killed all vegetation, turning it "brown" d. fields with excess organic waste and animal feces please select the best answer from the choices provided a b c d
Brownfields are best described as ; ( B ) Polluted land that must be remediated before being redeveloped.
What is a brownfiledA brown field is an underused or abandoned piece of land ( usually indutrial ) which is suspected or actually contaminated with chemicals or other forms of environmental contamination. An example of a brownfiled is an abandoned gas station and a metal plating facility. For a brownfield to be redeveloped the land must be remediated.
Hence we can conclude that Brownfields are best described as ; ( B ) Polluted land that must be remediated before being redeveloped.
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Nitrogen-rich compounds found in animal waste or the remains of dead plants and animals are converted to _____ by decomposer bacteria.
Nitrogen-rich compounds found in animal waste or the remains of dead plants and animals are converted to ammonium ions by decomposer bacteria.
Hope that helps!
In some traits, different phenotypes result from genes whose alleles each contribute a specific increment to the whole. The phenotypes then have a ________ phenotypic distribution.
Answer:
Bill nye the science guy
Explanation:
cuz
The phenotypes then have a different phenotypic distribution.
What is phenotypic distribution?The variation between genotypically identical individuals as well as the average differences between genotypes determines the phenotypic distribution of a trait.
However, each is a result of the succession of habitats in which the creatures grow and thrive.
Across environmental gradients, phenotypic distribution within species can vary greatly, but predictions of species responses to environmental change frequently presumptively assume that species react uniformly throughout their ranges.
Therefore, different phenotypes are caused by genes whose alleles each add a particular increment to the total in some traits. The distribution of the phenotypes changes as a result.
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You are comparing the events of meiosis I in cells from several different organisms. You come across one species in which you do not observe any chiasmata. The best conclusion to make is
The best conclusion to make if no chiasmata is observed in a species is that crossing over does not occur in that species.
What is chiasmata?Chiasmata is the contact point between the two chromatids of a chromosome during the prophase stage of meiosis.
Chiasmata forms during the process of crossing over in meiosis, where sister chromatids of non-homologous chromosomes exchange genetic material.
According to this question, the events of meiosis I in cells from several different organisms is being compared. However, no chiasmata was observed in a particular species.
Therefore, the best conclusion to make if no chiasmata is observed in a species is that crossing over does not occur in that species.
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How long does it take for a collapsed lung to heal.
Answer:
Two weeks
Explanation:
Recovery from a collapsed lung generally takes about one to two weeks. Most people can return to full activity upon clearance by the doctor.
You determine that a victim is unresponsive but breathing. While waiting with the victim for EMS personnel, you would position the victim:_______.
Answer:
You would put the victim in the recovery position
Explanation:
The recovery position is a position in which the victim is laying on their side.
You determine that a victim is unresponsive but breathing. While waiting with the victim for EMS personnel, you would position the victim in the recovery position.
They benefit from having their head in this posture with their airway open. Their tongue will slip forward, allowing blood and vomit to pour out. It is referred to as the "recovery position" at times.
The recovery posture will keep someone's airway open and clean. It also makes sure that they won't choke on any liquids or vomit.
The recovery posture will keep someone's airway open and clean. It also makes sure that they won't choke on any liquids or vomit.
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Amaya collected insects in the forest. she was unable to identify one unusual looking insect using a dichotomous key. amaya concluded that the insect must be a new species. which facts would support the conclusion that the insect is a new species? the insect cannot be identified based on one of the first three questions. the way the insect was collected may have caused damage to its exoskeleton and wings. several other thorough and up-to-date dichotomous keys also failed to identify the insect. the normal diet of many insects in the forest has been seriously altered by a recent drought.
The dichotomous key is a tool to identify organisms based on the observable traits. As Amaya collect insect and not able to identify means several other up-to-date dichotomous keys failed to identify them.
What is dichotomous keys ?Classification helps in identification of different organisms. Dichotomous keys plays an important role in this.
It helps to identify and classify organisms on the basis of their characteristics.
It is the most common type of identification key used. When creating this key, both qualitative factors and quantitative factors are kept in mind.
As Amaya's collected insect is not identified by dichotomous key, she considered it as a new species, it can be said that several other thorough and up-to-date dichotomous keys also failed to identify the insect.
Thus, the correct option is C.
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Answer:
The dichotomous key is a tool to identify organisms based on the observable traits. As Amaya collect insect and not able to identify means several other up-to-date dichotomous keys failed to identify them.
What is dichotomous keys ?
Classification helps in identification of different organisms. Dichotomous keys plays an important role in this.
It helps to identify and classify organisms on the basis of their characteristics.
It is the most common type of identification key used. When creating this key, both qualitative factors and quantitative factors are kept in mind.
As Amaya's collected insect is not identified by dichotomous key, she considered it as a new species, it can be said that several other thorough and up-to-date dichotomous keys also failed to identify the insect.
Thus, the correct option is C.
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Explanation:
cuxz
Important applications of polymerase chain reaction (PCR) include the following with the general exception of: ________
Answer:
The answer would be search for mutations with large deletions.
Explanation:
The reason why is becasuse what Polymerase Chain Reaction (PCR) does is amplify specific regions of DNA. PCR often is used to test for viruses like SARS-CoV-2 along with other infectious diseases.
Hope this helps.
Which choices describe a characteristics of a species that is likely to become invasive?
Select all that apply.
A. thrives near human developments
B. tolerates a range of environments
C. highly specialized
D. reproduces rapidly
A. thrives near human developments
B. tolerates a range of environments
D. reproduces rapidly
The choices that describe the characteristics of a species that is likely to become invasive are that it thrives near human developments and reproduces rapidly, which are in options A and D.
What is an invasive species?Human activities such as land use changes, construction, and transportation can create disturbed habitats that may be more suitable for certain non-native species. Non-native species that are able to thrive in these disturbed habitats have a higher chance of establishing themselves and becoming invasive. Rapid reproduction is a characteristic that allows a species to quickly establish a population and outcompete native species for resources. This can lead to a population explosion and the dominance of the ecosystem by the invasive species. For example, zebra mussels are a non-native species that reproduce rapidly, with each adult female producing up to one million eggs per year.
Hence, the choices that describe the characteristics of a species that is likely to become invasive are that it thrives near human developments and reproduces rapidly, which are in options A and D.
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how does the enzyme reverse transcriptase violate the central dogma of biology
Answer:
The enzyme reverse transcriptase reverse transcribes the RNA in the genome of HIV to DNA.
Explanation:
MARK ME AS A BRAINLISTWhat are the minimal components needed for a virion?.
Answer:
The minimal components needed for a virion are capsid and genome.
Explanation:
The virions consist of a nucleic acid core that constitutes the genome, along with a surrounding protein shell, which is the capsid.
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SCIENTIFIC definition of the word "property" in your own words
Answer:
I believe the scientific property referes to the composition, on an atomic level, of an element or compound. It's property(ies) are what constitutes the element in an isolated state, but also how it reacts to changes in environment: (temperature, humidity, etc..); but also how it reacts to other elements. What changes occur and if it has the potential to change it's molecular "structure".
Identity
Write "E' next to statements that describe the epidermis, "D" next to statements that describe the dermis, and
"H" next to statements that describe the hypodermis.
During a game of basketball on the playground, the glands in this layer go to work to cool your body.
The dermis is the layer of the skin where the sweat glands which work to cool your body are found.
What are sweat glands?Sweat glands are glands which produce sweat which is helps to cool the body when the body is hot.
The sweat glands are found in the middle layer of the skin known as dermis.
The other layers of skin are the epidermis found in the outermost layer and the hypodermis found in the deepest layer of the skin.
Therefore, the dermis is the layer of th skin where the sweat glands which work to cool your body are found.
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Which elements or substances do you think are the most important for life as we know it? (Hint: What are the molecules that make up cells made of?)
Answer:
carbon is the main element
Explanation:
Organic compounds make up the cells and other structures of organisms and carry out life processes. Carbon is the main element in organic compounds, so carbon is essential to life on Earth. Without carbon, life as we know it could not exist.
In eukaryotic cells, if you compared the DNA sequence of a gene with the sequence of the processedmRNA that was transcribed from the gene you would find
The DNA sequence of a gene differs from the sequence of the processed mRNA that was transcribed from the gene as it is longer and contains thymine instead of uracil.
What are processed mRNA?Processed mRNA refers to RNA they has been transcribed from a the DNA sequence of a gene.
A processed mRNA has the following differences from the DNA sequence of a gene:
It is relatively shorter It replaces thymidylate with uridylateTherefore, when comparing the DNA sequence of a gene with the sequence of the processed mRNA that was transcribed from the gene, it is longer and contains thymine in place of uracil.
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Surimi is ______. Multiple Choice a processed fish product a product processed from crab and shrimp shrimp paste made from krill shark meat that has been specially processed None of these is correct; it is a type of tuna eaten raw.
Surimi is; A processed fish product (A ) that can be made from processed fish or other kind of meat
What is Surimi?Surimi is a a type of paste made from processed fish or meat. It is usually prepared using a fish in abundant supply which is also relatively cheap in the market mixed with sorbitol and sugar.
An example of the type of fish used for preparing Surimi is Alaskan Pollock.
Hence we can conclude that Surimi is A processed fish product
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Where does fertilization occur in the female reproductive tract?.
Answer:
The Fallopian Tube
The source that is converted directly into electrical energy by photovoltaic cells.
Answer:
sunlight
Explanation:
what happens to the diaphragm during breathing in
Answer:
Upon inhalation, the diaphragm contracts and flattens and the chest cavity enlarges. This contraction creates a vacuum, which pulls air into the lungs. Upon exhalation, the diaphragm relaxes and returns to its domelike shape, and air is forced out of the lungs.
If an organism normally has 34 chromosomes, how many molecules of dna should there be in the g1 phase of the cell cycle?.
Answer:
12 DNA molecules in G1.
Explanation:
Which phrase tells a major function of the endomembrane system?
transporting substances in a cell
producing and storing energy
directing the cell’s activities
manufacturing proteins
Answer:
A
Explanation:
Answer: A. transporting substances in a cell
Explanation: k12 test