Which of the element is present in c0-enzyme A, thiamine, biotin and glutathione:

Options

A. Fe
B. Mn
C. S
D. Mg

Answer

To determine which element is present in coenzyme A, thiamine, biotin, and glutathione, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Compounds**: We need to look at the compounds mentioned: coenzyme A, thiamine, biotin, and glutathione.

2. **Research the Composition**: Each of these compounds has specific elements that are integral to their structure:
- **Coenzyme A**: Contains sulfur in its structure.
- **Thiamine (Vitamin B1)**: Also contains sulfur in its structure.
- **Biotin (Vitamin B7)**: Contains sulfur as well.
- **Glutathione**: This is a tripeptide that contains sulfur.

3. **Common Element**: From the analysis, we can see that sulfur is a common element present in all four compounds.

4. **Conclusion**: Therefore, the element that is present in coenzyme A, thiamine, biotin, and glutathione is sulfur.

### Final Answer:
The element present in coenzyme A, thiamine, biotin, and glutathione is **sulfur**.

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