Transport of ions and molecules across biological membranes may occur by passive or active mechanisms and, indeed, membrane transport mechanisms form the basis for many important physiological processes. Test your basic knowledge of membrane transport by taking this simple quiz.
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(1) In exchange, the driving ion is transported:
(2) In exchange, the driven ion/molecule is transported:
(3) In facilitated diffusion, the transported ion/molecule is transported:
(4) In cotransport, the driving ion and the driven ion/molecule are transported across the plasma membrane in:
(5) In exchange, the driving ion and the driven ion/molecule are transported across the plasma membrane in:
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Posted: Friday, March 13, 2015
Last updated: Tuesday, March 11, 2025
Last updated: Tuesday, March 11, 2025
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