Sulphur is not a structural component of:

Options

A. Methionine
B. Conenzyme A
C. Biotin
D. Aspartic acid

Answer

To determine which compound does not contain sulfur as a structural component, we can analyze the chemical formulas of the given options.

### Step-by-Step Solution:

1. **Identify the Compounds**: The options provided are Methionine, Coenzyme A, Biotin, and Aspartic Acid.

2. **Analyze Methionine**:
- Chemical formula: C5H11NO2S
- Contains Sulfur (S).
- Conclusion: Methionine is not the answer.

3. **Analyze Coenzyme A**:
- Chemical formula: C21H36N7O16P3S
- Contains Sulfur (S).
- Conclusion: Coenzyme A is not the answer.

4. **Analyze Biotin**:
- Chemical formula: C10H16N2O3S
- Contains Sulfur (S).
- Conclusion: Biotin is not the answer.

5. **Analyze Aspartic Acid**:
- Chemical formula: C4H7NO4
- Does not contain Sulfur (S).
- Conclusion: Aspartic Acid is the only compound that does not have sulfur as a structural component.

6. **Final Answer**: The correct answer is Aspartic Acid.