What does ATP provide during photosynthesis?
Correct answer: C. Chemical energy
- A. Mechanical energy
- B. Physical energy
- C. Chemical energy
- D. All of these
Explanation
The correct answer is Option C: Chemical energy. ATP (adenosine triphosphate) is a critical molecule in energy transfer within cells. It stores energy in its high-energy phosphate bonds and releases this energy to power various cellular activities, including the biochemical reactions in photosynthesis. Options A, B, and D are incorrect because they do not accurately describe the primary function of ATP, which is to provide chemical energy.
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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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