Bro I think it's A
Gravitational pull comes from the core. How rotated u are won't matter, but how far u are from the core will matter.
In order to make the proton gradient, protons are pumped across the mitochondrial membrane at several points in the electron transport chain. However, that proton gradient is only used to make ATP by the ATP synthase, which is technically separate from the electron transport chain.
Answer:
What are two reasons why cells divide rather than continue to grow indefinitely? a) The larger a cell becomes the more demand the cell places onto its DNA. b) The larger a cell becomes , the more trouble the cell has moving nutrients and wastes across the cell membrane.
Explanation:
Answer: Certain proteins
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Have a great day (:
I’ll go with ccccccccccc cc
