The NADPH and ATP from the light-dependent reactions are used to:
Correct answer: D. Convert PGA to PGAL
- A. Regenerate RuBP
- B. Fix CO₂
- C. Convert PGAL to RuP
- D. Convert PGA to PGAL
Explanation
Convert PGA to PGAL - Correct. ATP and NADPH are used in the Calvin cycle to reduce 3-phosphoglycerate (PGA) to glyceraldehyde-3-phosphate (PGAL), which is a key step in sugar production.
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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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