Answer:
Explanation:
If the lipid bilayer is at least 108 times less permeable to K ions than it is to water, then a way that this much needed ions can get into the cell is through ion channels.
Ion channels are memberane proteins that form pores and they also span across the cell membrane allowing ions to pass through these pores. They act as a passage through which charged ions can pass through. There are three main type: voltage-gated, extracellular ligand-gated, and intracellular ligand-gated ion channels.
Answer:
Option B.
provides the amino acids that are assembled during translation
hope it helps
Because we see that they have their own RNA, called mtRNA, so it makes sense that they might have been their own organism at one point in time.
