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andrey2020 [161]
3 years ago
11

Can someone help me ​

Biology
1 answer:
sammy [17]3 years ago
8 0

I’m fairly sure that that is an animal cell

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A powerful appetite stimulator that has been shown to cause people to hoard food is
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B. neuropeptide y is correct answer


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3 years ago
Read 2 more answers
Which processes releases energy to be used by a cell
const2013 [10]

Answer:

respiration

The source of the energy required to regenerate ATP is the chemical energy stored in food (e.g. glucose). The cellular process of releasing energy from food through a series of enzyme-controlled reactions is called respiration . Some of the energy released is used to produce ATP.

Explanation:

all based on research.

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3 years ago
If you removed all the sori from a fern it would?
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It would possibly die and will not be-able to reproduce
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3 years ago
Although selection operates against deleterious alleles in populations, they are rarely lost from these populations. For example
KonstantinChe [14]

Answer:

Deleterious alleles appear sporadically in a population

Explanation:

A population with a deleterious allele will have no or few individuals that have the ability to pass along these traits. These alleles appear less in a population because of selective pressure but they are not always absent. The alleles appear less often but are are not always passed on and the others that are genetically fit are able to pass along their genes. The reason the population equilibrium is not zero is because these alleles do appear but they are not necessarily passed along. These individuals may not be able to reproduce or reach the age of reproduction.

Deleterious alleles appear more often, making individuals less fit genetically, i.e. they pass fewer copies of their genes to future generations. Put another way, natural selection purges the deleterious alleles.

3 0
2 years ago
Compare and contrast the evidence that supports the two hypotheses describing how long, complex molecules that carry information
Rudiy27

Oparin and Haldane's theory and Miller's experiment are the proof that long complex molecules that carry information such as DNA, might have formed on early earth.

Explanation:

Oparin and Haldane Hypothesis states that life on Early earth could have evolved by chemical evolution.

Oparin and Haldane said that the reducing atmosphere of the early earth caused simple inorganic molecules to react by using sunlight and formed molecules like amino acids and nucleotides.

These monomers combined to form polymers, they would have attained self-replicating tendency eventually these would have assembled into structures and these macromolecules had also made membrane-bound organelle.

Although this hypothesis is not fully accepted but part of it which talks about formation of molecules is accepted.

Millers and Urey in their experiment created an artificial reducing environment like that of early earth. They used a heated pool of water, atmospheric gases like H2O,CH4,N2, NH4 and sparks of electricity. After running the experiment for some days they found that amino acids, sugars, lipids and other organic molecules had formed.

Their hypothesis is not fully accepted but part of is evident that organic building block is formed from inorganic constituent on the earth.

8 0
2 years ago
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