The spent energy in the form of ADP is regenerated by mitochondria into which of the following?
Correct answer: B. ATP
- A. AMP
- B. ATP
- C. ADP
- D. All of these
Explanation
The correct answer is ATP. Mitochondria are known as the powerhouse of the cell because they convert ADP into ATP through cellular respiration, a process that includes glycolysis, the citric acid cycle, and the electron transport chain. ATP serves as the main energy carrier in the cell. Other options like AMP and ADP are not the end products of this energy regeneration process.
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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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