In Thylakoids, Protons Travel Through ATP Synthase from the Thylakoid

question 18

Multiple Choice

In thylakoids, protons travel through ATP synthase from the thylakoid space to the stroma. Therefore, the catalytic "knobs" of ATP synthase would be located

• A) on the side facing the thylakoid space.
• B) on the ATP molecules themselves.
• C) on the pigment molecules of photosystem I and photosystem II.
• D) on the stromal side of the membrane.
• E) built into the center of the thylakoid stack (granum).

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Definitions:

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A radioactive isotope of iodine, used in medical diagnostics and treatments, especially for thyroid conditions.

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A radioactive isotope of xenon used in medical imaging to assess pulmonary function and blood flow.

Strontium-87

An isotope of strontium, used in various scientific applications, including studying geological processes.

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An isotope of potassium with a mass number of 42, known for its radioactivity and used in various scientific studies.