Which of the Following Does Not Occur During the Calvin

Question

Which of the following does not occur during the Calvin cycle?
A) carbon fixation
B) oxidation of NADPH
C) release of oxygen
D) regeneration of the CO₂ acceptor
E) consumption of ATP

Accepted Answer

The release of oxygen occurs during the light-dependent reactions of photosynthesis, specifically during the process of photolysis where water is split to produce oxygen, electrons, and hydrogen ions. The Calvin cycle takes place in the stroma of the chloroplasts and involves carbon fixation, the use of ATP and NADPH to reduce carbon dioxide and regenerate the CO₂ acceptor, but does not involve the release of oxygen.