MCAT Biology : Photosynthesis

Study concepts, example questions & explanations for MCAT Biology

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Example Questions

Example Question #1 : Understanding Photosynthesis

Which of the following is not part of the Calvin cycle?

Possible Answers:

Fixation of carbon dioxide

addition of light

Regeneration of RuBP

oxidation of NADPH

ATP production

Correct answer:

ATP production

Explanation:

ATP is produced during the light-dependent reactions of photosynthesis by photosystem II. Carbon dioxide is fixed by combining with RuBP during calvin cycle. NAPDH donates electrons causing it to be oxdized to NADP+.

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