Question 8 • HVA 26-27 IM Biology A
The light-dependent reactions take place in the thylakoid membranes of chloroplasts, where light energy is captured to make ATP and NADPH. The light-independent reactions, also called the Calvin cycle, occur in the chloroplast stroma and use ATP and NADPH to build sugars. Therefore, the best distinction is that the reactions occur in the thylakoid membrane and stroma, respectively.
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