CBSE Class 9 Answered
How do substances like CO2 and water move in and out of the cell?
Asked by Topperlearning User | 29 Apr, 2016, 02:14: PM
Expert Answer
CO2 moves in and out of the cells by the process of diffusion which involves the movement of molecules from a region of higher concentration to a region of lower concentration across the cell membrane.
Water moves in and out of the cells by osmosis which involves the movement of water through a semi-permeable membrane from a solution of lower concentration of solutes to higher concentration of solutes to which the membrane is relatively impermeable.
Answered by | 29 Apr, 2016, 04:14: PM
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