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

Options

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

Answer

To solve the question of which element is present in coenzyme A, thiamine, biotin, and glutathione, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Compounds**: The question lists four compounds: coenzyme A, thiamine, biotin, and glutathione. We need to determine which element is common among them.

2. **Research Each Compound**:
- **Coenzyme A**: This is a coenzyme that plays a critical role in the synthesis and oxidation of fatty acids and the metabolism of carbohydrates and amino acids. It contains the element sulfur.
- **Thiamine (Vitamin B1)**: This vitamin is essential for carbohydrate metabolism and is also known to contain sulfur in its structure.
- **Biotin (Vitamin B7)**: Biotin is important for fatty acid synthesis and gluconeogenesis and also contains sulfur.
- **Glutathione**: This is a tripeptide that acts as an antioxidant and contains sulfur in its structure.

3. **Determine the Common Element**: After analyzing each compound, we find that sulfur is present in all four: coenzyme A, thiamine, biotin, and glutathione.

4. **Conclusion**: 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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