Water diffusion is called osmosis. Oxygen is a small molecule and it's nonpolar, so it easily passes through a cell membrane. Carbon dioxide, the byproduct of cell respiration, is small enough to readily diffuse out of a cell. Small uncharged lipid molecules can pass through the lipid innards of the membrane.
Answer: the process by which a less specialized cell becomes a more specialized cell type.
Explanation:
Answer: Hydrocarbons
Explanation:
hope this helps! -thelonelyastronaut