Which of the following is a component of vitamin (thiamine, biotin), Acetyl CoA, cysteine, methionine and ferrerdoxin?

Options

A. Fe
B. S
C. Co
D. K

Answer

To determine which component is present in the listed vitamins and compounds, we can analyze each option provided in the question:

1. **Identify the components of each vitamin and compound**:
- **Thiamine (Vitamin B1)**: Contains sulfur.
- **Biotin (Vitamin H)**: Contains sulfur.
- **Acetyl CoA**: Contains sulfur.
- **Cysteine**: An amino acid that contains sulfur.
- **Methionine**: An amino acid that contains sulfur.
- **Pyridoxine (Vitamin B6)**: An iron-sulfur protein.

2. **Analyze the options**:
- **Option 1: Iron** - While pyridoxine is an iron-sulfur protein, iron is not a component of thiamine or biotin.
- **Option 2: Sulfur** - Present in thiamine, biotin, acetyl CoA, cysteine, methionine, and pyridoxine.
- **Option 3: Cobalt** - Not a component of any of the listed vitamins or compounds.
- **Option 4: Potassium** - Not a component of any of the listed vitamins or compounds.

3. **Conclusion**: The only common component present in all the vitamins and compounds listed is sulfur.

Thus, the correct answer is **Option 2: Sulfur**.