Answering Exams

Sodium ions are “pumped” from a region of lower concentration to a region of higher concentration in the nerve cells of humans. This process is an example of

Sodium ions are “pumped” from a region of lower concentration to a region of higher concentration in the nerve cells of humans. This process is an of

A. Diffusion
B. Passive transport
C. Osmosis
D. Active transport (Correct)

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