Which of the following processes 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
The Calvin Cycle, also known as the light-independent reactions of photosynthesis, does not directly use pyruvic acid as a substrate. The Calvin Cycle operates in the stroma of the chloroplast and is responsible for converting carbon dioxide into glucose and other carbohydrates. It fixes CO2 with RuBP in the presence of RuBPC/O
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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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