20 points!! Please help me find what A, B, X, Y, and Z illustrates! Possible answers for all of them are :
Phospholipid bilayer
Osmosis occurring
Simple diffusion process
Facilitated diffusion process
Channel proteins

What is the cause hearing loss in human being

What enzyme is most important for dna replication and why?

The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?