Answer:
Explanation: In facilitated diffusion, molecules diffuse across the plasma membrane with assistance from membrane proteins, such as channels and carriers. A concentration gradient exists for these molecules, so they have the potential to diffuse into or out of, the cell by moving down it.
Answer:
an enzyme is specific which means that only one type of substrate can be broken down by it
Mutation caused by external relationships. If you were to have an isolated population, they would be forced to have incest to survive. You need genetic variation from other creatures.
Answer:
As the question is incomplete i have added the full question in the ask for detail section of this question.
There will be DECREASE in phospholipipids, and triglycerols formed from DAG by the activation of phosphatidylethanolamine and head groups.
while on the other hand there will be INCREASE in phospholipids formed from polar head group, CDP-DAG, Phosphatidylinositol and Phosphatidate.
b would be the answer sorry if its wrong.