Primary active transport pumps ions against their electrochemical gradient. However, in secondary active transport

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Quizplus · Accepted Answer

Secondary active transport uses the energy stored in the gradient of one molecule (often ions like sodium or hydrogen) to transport another molecule against its gradient. This is distinct from primary active transport, which directly uses ATP hydrolysis to transport molecules against their gradient. Options B and C describe mechanisms of primary active transport, while D is incomplete and does not fully describe a mechanism of transport.

Primary Active Transport Pumps Ions Against Their Electrochemical Gradient