Mineral which is part of CoA, Fd, thiamine and lipoic acid is :

Options

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

Answer

To solve the question regarding the mineral that is part of coenzyme A, ferredoxin, thiamine, and lipoic acid, we can follow these steps:

### Step 1: Identify the components mentioned in the question
The question lists four important biochemical compounds:
- Coenzyme A
- Ferredoxin
- Thiamine
- Lipoic acid

### Step 2: Understand the role of minerals in these compounds
Each of these compounds has specific minerals associated with them. We need to determine which mineral is common among all four.

### Step 3: Analyze the options provided
The options given are:
- A) Manganese
- B) Iron
- C) Sulphur
- D) Calcium

### Step 4: Research the composition of each compound
- **Coenzyme A**: Contains sulphur as part of its structure.
- **Ferredoxin**: Also contains sulphur, which is essential for its function.
- **Thiamine (Vitamin B1)**: Contains a sulfur atom in its structure.
- **Lipoic acid**: Contains sulfur as well.

### Step 5: Conclude the common mineral
After analyzing the components and their mineral content, we find that sulphur is a constituent of all four compounds listed in the question.

### Final Answer
The mineral which is part of CoA, ferredoxin, thiamine, and lipoic acid is **C) Sulphur**.

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