The light reactions of photosynthesis,which form ATP and NADPH,take place in the

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The light reactions of photosynthesis, which produce ATP and NADPH, occur in the thylakoid membranes of chloroplasts. The stroma is the region outside the thylakoid membranes where the Calvin cycle (dark reactions) occur. The cytoplasm is outside the chloroplast and not involved in photosynthesis. The nucleus is not involved in the chloroplast.

The Light Reactions of Photosynthesis,which Form ATP and NADPH,take Place