Where does the first stage of cellular respiration occur?
Correct answer: A. Cytosol
- A. Cytosol
- B. Membrane surface
- C. Nucleus
- D. All of these
Explanation
Glycolysis, the first stage of cellular respiration, occurs in the cytosol. It involves breaking down glucose into pyruvate, providing energy and intermediates for further processes.
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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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