A storgae protein is

Options

A. keratin
B. collage
C. haemogolbin
D. glutelin

Answer

To determine which of the given proteins is a storage protein, we will analyze each option one by one.

### Step-by-Step Solution:

1. **Identify the Options**: The options provided are:
- A) Keratin
- B) Collagen
- C) Hemoglobin
- D) Gluten

2. **Analyze Option A - Keratin**:
- Keratin is primarily a structural protein. It is found in hair, nails, and the outer layer of skin. Therefore, it does not serve as a storage protein.

3. **Analyze Option B - Collagen**:
- Collagen is another structural protein that serves as a major component of connective tissues in the body. It provides strength and support but is not involved in storage.

4. **Analyze Option C - Hemoglobin**:
- Hemoglobin is a protein found in red blood cells. Its main function is to transport oxygen from the lungs to the rest of the body. It is not a storage protein.

5. **Analyze Option D - Gluten**:
- Gluten is a storage protein found in certain grains, particularly in the grass family. It serves as a source of amino acids for plants and can be utilized by organisms that consume these plants.

6. **Conclusion**:
- After analyzing all the options, we find that the only protein that functions as a storage protein is **Gluten**. Therefore, the correct answer is **Option D: Gluten**.

### Final Answer:
**The storage protein is D) Gluten.**