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The amount of energy given by one mole o...

The amount of energy given by one mole of ATP is

A

7.3 kcal

B

721 kcal

C

7600 kcal

D

1000 kcal.

Text Solution

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The correct Answer is:
To determine the amount of energy given by one mole of ATP, follow these steps: ### Step-by-Step Solution: 1. **Understand ATP Structure**: - ATP stands for adenosine triphosphate, which consists of adenine, ribose sugar, and three phosphate groups. 2. **Identify the Energy Bonds**: - The energy in ATP is stored in the high-energy bonds between the phosphate groups, specifically the phosphoanhydride bonds. 3. **Energy Release Mechanism**: - When ATP is hydrolyzed (i.e., when it reacts with water), it breaks down into ADP (adenosine diphosphate) and an inorganic phosphate (Pi), releasing energy in the process. 4. **Quantify the Energy Released**: - The amount of energy released during the hydrolysis of one mole of ATP is approximately 7.3 kilocalories (kcal). 5. **Conclusion**: - Therefore, the amount of energy given by one mole of ATP is 7.3 kcal per mole. ### Final Answer: The amount of energy given by one mole of ATP is **7.3 kilocalories per mole**. ---
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