Question

How moment of substances occur in cell ?

Answer 1

Dissolved substances have to pass through the cell membrane to get into or out of a cell. Diffusion is one of the processes that allows this to happen. Diffusion occurs when particles spread. ... The movement of oxygen and carbon dioxide in and out of leaves during photosynthesis occurs by diffusion.

Answer 2

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Diffusion is the net movement of substances from an area of higher concentration to an area of lower concentration. This movement occurs as a result of the random and constant motion characteristic of all molecules, atoms, or ions (due to kinetic energy) and is independent from the motion of other molecules.