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qaws [65]
4 years ago
6

What is a substance

Biology
1 answer:
Wewaii [24]4 years ago
5 0

A structure which is made by molecules is called substance

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Which structure is the statement below most likely referring to
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The correct option is A. A semi-permeable membrane

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A semi-permeable membrane can be described as a selective membrane that filters out which molecules to let-in and let-out of the cell. The semi-permeable membrane causes selective molecules or ions to move inside or outside it through processes like diffusion, facilitated diffusion, passive transport, active transport, osmosis etc.

On the other hand, a permeable membrane is not selective and will allow and will let any kind of molecules to pass.

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75% chance

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