<span>The two stages of photosynthesis. Photosynthesistakes place in two stages: light-dependent reactions and the Calvin cycle (light-independent reactions). Light-dependent reactions, which take place in the thylakoid membrane, use light energy to make ATP and NADPH.
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<span>In the lock-and-key model of enzyme action, the "Substrate" fits into the "Active site" of the enzyme
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The biomolecules contain l<span>arge, complex molecules.</span>
