Question

5.
1
Oxygen enters the cell by the process of diffusion when the level or
concentration of O2 inside the cell​

Answer 1

Answer:

concentration of O2 inside the cell

Explanation:

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Answer 2

Oxygen and carbon dioxide move across cell membranes via simple diffusion, a process that requires no energy input and is driven by differences in concentration on either side of the cell membrane.

Explanation:

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