One gram of fat produces

Options

A. 4.1 k. calories of chemical energy
B. 9.45 k. calories of chemical energy
C. 7.0 k. calories of chemical energy
D. 5.0 K. calories of chemical energy

Answer

To determine how much energy is produced from 1 gram of fat, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Energy Content of Fat**:
- Fat is a type of biomolecule that provides energy when metabolized.

2. **Identify the Gross Energy Value**:
- The gross energy value of fat is approximately 9.5 kilocalories (kcal) per gram.

3. **Identify the Physiological Energy Value**:
- The physiological energy value, which accounts for the energy that can actually be utilized by the body, is about 9 kcal per gram.

4. **Conclusion**:
- Therefore, when considering the energy produced by 1 gram of fat, it can produce approximately 9 kcal of energy.

### Final Answer:
1 gram of fat produces approximately 9 kcal of energy.

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