Question

to cross cell membrane water must?​

Answer 1

Answer:

The water molecules move across the cell membrane by travelling along the concentration gradient of the solution (low to high).

Answer 2

Explanation:

Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ). Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.