Question

Q-29. Give reasons for the following:
(a) Animal cells don't have a cell wall.
(b) Cells are the basic structural units of living organisms.
(c) Cell membrane is semi-permeable.​

Answer 1

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DH_DeVil

DH_DeVil

DH_DeVil

Answer 2

Answer:

(a) animal cells does not have cell wall because animals can protect their cells by moving from one place to another but plant cells cannot move from one place to another so plant cells have cell wall

(b) cells are the basic structural units of living organisms as they are the smallest working unit in the human body

(c) cell membrane is semi permeable as the cell membrane only allow some materials to flow through it for ex- water

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Explanation: