Which of the following process does not need Pyruvic Acid as a substrate?
Correct answer: B. Calvin cycle
- A. Alcoholic fermentation
- B. Calvin cycle
- C. Aerobic respiration
- D. Lactic Acid fermentation
Explanation
Calvin cycle does not require pyruvate rather just requires RuBP and CO2 for carbon dioxide fixation, as shown by the diagram below. All other reactions mentioned in other options do require pyruvate.
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About Bioenergetics
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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