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wlad13 [49]
4 years ago
12

A substance that moves across a cell membrane without using the cells energy tends to move

Biology
1 answer:
nydimaria [60]4 years ago
6 0

Answer:

From their region of high concentration to their region of low concentration.

Explanation:

A substance that moves across a cell membrane without using the cells energy tends to move from  their region of high concentration to their region of low concentration. A good example of such a process would be Osmosis.

On the other hand if the substance moves across a cell membrane and requires the use of energy then it tends to move against a concentration gradient, as is the case with Active transport.

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