To a living organism which of the following has the greater amount of available energy per molecule?
Correct answer: B. ATP
- A. NAD
- B. ATP
- C. ADP
- D. CO2
Explanation
ATP (Adenosine Triphosphate) is the primary energy currency of the cell, storing and providing energy for a variety of cellular activities. It releases energy when its phosphate bonds are broken.
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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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