Answer:
Facilitated Diffusion
Explanation:
Some molecules can move down their concentration gradients by crossing to the lipid portion of the membrane directly,while others must pass through membrane protein s in a process called Facilitated Diffusion
Answer:
1. DNA and RNA I'm pretty sure
Example answer number one
Its B clearing and farming. Because if you think of it when someone clears trees and bushes they most likely won't come back.
Answer:
It's one time or maybe ttwo
