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galina1969 [7]
3 years ago
7

What type of molecule can easily diffuse through the plasma membrane without any help? Why?

Biology
1 answer:
babunello [35]3 years ago
7 0
Water diffusion is called osmosis. Oxygen is a small molecule and it's nonpolar, so it easily passes through a cell membrane. Carbon dioxide, the byproduct of cell respiration, is small enough to readily diffuse out of a cell. Small uncharged lipid molecules can pass through the lipid innards of the membrane.
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What is natural selection? Give example
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Which combination of characteristics in a population would provide the greatest potential for evolutionary change?
labwork [276]

Which combination of characteristics in a population would provide the greatest potential for evolutionary change?

a. large population, few mutations

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c. small population, few mutations

Small population, many mutations are the combination of characteristics in a population would provide the greatest potential for evolutionary change.

b. small population, many mutations

<u>Explanation:</u>

Stabilizing selection in development is a kind of common choice that supports the normal people in a populace. In little, reproductively detached populaces, extraordinary conditions exist that can create fast changes in quality frequencies absolutely autonomous of transformation and normal determination.

Natural Selection prompts a transformation change when a few people with specific qualities in a populace have higher endurance and regenerative rate than others and give these inheritable hereditary highlights to their posterity. The power of Natural Selection aside, populace size is as yet a factor to be considered.

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I would say D because mechanical weathering is the breaking up of rocks by physical forces
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