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Pachacha [2.7K]
3 years ago
15

Which of the following best describes the relationship between the structure of the cell membrane and it's function

Biology
1 answer:
Sergeeva-Olga [200]3 years ago
3 0
The cell membrane folds upon itself easily, which facilitates cellular reproduction by mitosis. 

<span>The membrane is a flexible, fluid mosaic and changes shape easily to create holes for substances to move in and out of the cell. </span>

<span>The outer layer of the membrane is hydrophilic, which allows water to flow in and out of the cell easily to eliminate waste. </span>

<span>The proteins that are embedded in the cell membrane act as channels to transport substances in and out of the cell.</span>
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a. a portion of the population becomes isolated from the remainder of the population and experiences different selective pressures

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This is an example of allopatric speciation Allopatric speciation is a form of speciation (formation of new species) that occurs as a result of geographic isolation. This means that a part of population becomes physically separated from the initial main population. There is no gene flow between these two populations and as a result the two populations  reach a high level  of genetic divergence. They can no longer interbreed which means they become two different species (speciation).

New populations evolve as result of mutation, genetic drift and natural selection.

For example, Galapagos finches are isolated from others by the ocean (geographic isolation).  Because of the isolation, the finches don’t breed with one another. So, they developed unique characteristics and became endemic.

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