MediumBotanyCell Membrane Structure
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Given below are two statements: Assertion (A): Cell membrane is selectively permeable to some molecules present on either side of it. Reason (R): Neutral solutes may move across the membrane by simple diffusion in the concentration gradient. Choose the correct option:
A
A is true but R is false
B
A is false but R is true
C
Both A and R are true and R is the correct explanation of A
D
Both A and R are true but R is not the correct explanation of A
Explanation
The membrane is selectively permeable; neutral solutes move by diffusion but it does not fully explain selective permeability.
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