Number of ATP molecules used during preparatory phase of glycolysis:
Correct answer: A. 2
- A. 2
- B. 4
- C. 1
- D. 6
Explanation
Glycolysis comprises of two phases in 1st half, Glucose is converted into two 3 carbon compounds known as glyceraldehyde phosphate using 2 molecules of ATP in step wise reactions.
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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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