🎓 IB Exam Prep

What is the primary product of the light-dependent reactions of photosynthesis that is then used in the Calvin cycle?

A Glucose
B Oxygen
C ATP and NADPH
D Carbon Dioxide

✓ Correct Answer: Option C

The light-dependent reactions convert light energy into chemical energy in the form of ATP (adenosine triphosphate) and NADPH (nicotinamide adenine dinucleotide phosphate), which are then utilized in the light-independent Calvin cycle to synthesize glucose from carbon dioxide.

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