Question

How are the following transported in and out of the cell? Explain: (i) Water (ii) Carbon dioxide in plants (iii) Food particles in amoeba

Answer 1

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.

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