Which of the following statements best describes the relationship between the li

Question

Which of the following statements best describes the relationship between the light-dependent and light-independent reactions of photosynthesis?

A. The light-dependent reactions pass electrons through an electron transport chain to the light-independent reactions.
B. The light-independent reactions release energy, and the light-dependent reactions require energy.
C. The light-dependent reactions produce ATP and NADPH, which are then used by the light-independent reactions.
D. The light-dependent reactions produce carbon dioxide, which is then used by the light-independent reactions.

Explanation / Answer

Answer: [C] Exactly as it states. The light-dependent utilizes solar energy and water for energy production in the form of ATP and NADPH. This is then used with carbon dioxide to form sugars in the light-independent reaction.

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