State one possible reason why molecule A could diffuse across the membrane but molecule B could not.

Biology

1 answer:

Lesechka [4]4 years ago

4 0

Answer : The reason is Osmosis.

Explanation :

Osmosis : It is a type of process in which the movement of particles occurs from its high concentration to low concentration through the selective semi-permeable membrane.

From the given image we conclude that the molecule A diffuses across the membrane but molecule B do not due to the osmosis. That means the selective semi-permeable membrane allows only molecule A through it.

Hence, the reason is Osmosis.

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