Question

Which term best describes the movement of water molecules in and out of a cell

Answer 1

anything that has to do with water in cells is usually related to osmosis

Answer 2

The movement of water molecules in and out of a cell is called osmosis.

Osmosis, or the diffusion of water molecules, is when water molecules flow in or out of a cell from high to low concentrations (down their concentration gradient). The ultimate goal of osmosis is to establish equilibrium between the cell and its outer environment.

Hope this helps!