Question

Diffusion, osmosis, and active transport all can deal with the movement of molecules across which cell part?

A.
cell wall

B.
cell membrane

C.
chromosome

D.
cytoplasm

Answer 1

Diffusion, active transport, osmosis (the diffusion of water) and any kind of pinocytosis (cell drinking) or phagocytosis (cell eating) occur across the cell membrane. Active transport is a pretty catch all term. Pinocytosis and Phagocytosis as well as any active pumping of substances are all active transport.

Answer 2

B. cell membrane