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Question: 1 / 400

What is the chemiosmotic theory?

A theory describing the passive movement of molecules.

A theory explaining the production of ATP by the mitochondria.

The chemiosmotic theory explains how ATP, the main source of energy for cells, is produced in the mitochondria through a process called oxidative phosphorylation. This theory states that the production of ATP is driven by the movement of protons (H+) across a concentration gradient, which is created by the electron transport chain embedded in the mitochondria's inner membrane.

Option A is incorrect because it is a broad statement about the movement of molecules, while the chemiosmotic theory specifically focuses on the production of ATP in the mitochondria.

Option C is incorrect because it is a theory about the origin of life, which is unrelated to the function of ATP in cells.

Option D is incorrect because it refers to active transport, which is a different process than the passive transport of protons described in the chemiosmotic theory.

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A theory concerning the origin of life.

A theory describing the movement of molecules through active transport.

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