The dark reactions of photosynthesis are characterized by:
Correct answer: B. Utilization of ATP, CO2 and NADPH
- A. Synthesis of ATP, O2 and NADH
- B. Utilization of ATP, CO2 and NADPH
- C. Electron transfer from NADPH to RuBP
- D. Carbon dioxide transfer from RuBP to glucose
Explanation
Dark reaction is also called carbon-fixing reaction. It is a light-independent process in which sugar molecules are formed from carbon dioxide, water molecules, ATP, and NADPH(products from the light-dependent reaction). The dark reaction occurs in the stroma of the chloroplast, where they utilize the products of the light reaction.
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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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