The stage of photosynthesis that actually produces sugar is_.
Correct answer: A. The Calvin cycle
- A. The Calvin cycle
- B. Photosystem I
- C. Photosystem II
- D. The light reaction
Explanation
The Calvin cycle is a process that plants and algae use to turn carbon dioxide from the air into sugar, it is a light independent process. In the Calvin cycle, carbon atoms are fixed (incorporated into organic molecules) and used to build three-carbon sugars. This process is fueled by, and dependent on, ATP and NADPH from the light reactions. G3P formed during it is basically a sugar molecule
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Cellular respiration explains how cells release energy from glucose through glycolysis, the link reaction, Krebs cycle and electron transport chain. It includes ATP production, substrate-level and oxidative phosphorylation, aerobic versus anaerobic respiration, and the roles of mitochondria, oxygen and fermentation in energy transfer.
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