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Energy currency/coin of cell is...

Energy currency/coin of cell is

A

ATP

B

NAD

C

ADP

D

GDP.

Text Solution

AI Generated Solution

The correct Answer is:
**Step-by-Step Solution:** 1. **Identify the Question**: The question asks for the energy currency or coin of the cell. 2. **Consider the Options**: The options provided are ATP, NAD, ADP, and GDP. 3. **Define ATP**: ATP stands for adenosine triphosphate. It is a molecule composed of adenine (a nitrogenous base), ribose (a sugar), and three phosphate groups. 4. **Function of ATP**: ATP is known as the energy currency of the cell because it stores and provides energy for various cellular processes. When ATP is broken down, it releases energy that is used by the cell. 5. **Energy Release Mechanism**: The energy is released when one of the phosphate bonds in ATP is broken, a process that occurs in the presence of the enzyme ATPase. This reaction releases approximately 8.9 kilocalories per mole. 6. **Conclusion**: Given that ATP is the primary molecule that provides energy for cellular functions, it is correctly identified as the energy currency of the cell. **Final Answer**: The energy currency or coin of the cell is ATP. ---
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