There are two classes of membrane transport proteins—carriers<span> and </span>channels<span>. Both form continuous </span>protein<span> pathways across the lipid bilayer. Whereas transport by </span>carriers<span> can be either active or passive, solute flow through </span>channel proteins<span> is always passive.</span>
Answer:
why was the discovery of pencillin important?
Penicillin discovery came as a result of the plague that rages St Mary's hospital in 1928, the discovery by a man called Alexandra Fleming which drastically reduce the death rate. Penicillin is an antibiotics that is gotten from mould and it has different strains/species
Explanation:
Always been taught that the vacuole holds the cell's water. I don't know about the other things <span />
