From the list of proteins given below, select the correct ones for muscular tissue.
A. Myosin , B. Myoglobin, C. Elastin, D. Ossein , E. Actin

Options

A. A,B,C and E
B. A,D and E
C. A, B and E
D. A,B,C,D and E

Answer

To solve the question regarding which proteins are associated with muscular tissue, we will analyze each option provided:

1. **Myosin**:
- Myosin is a motor protein that plays a crucial role in muscle contraction. It interacts with actin filaments to facilitate the sliding filament mechanism, which is essential for muscle movement.
- **Conclusion**: Myosin is a correct answer.

2. **Myoglobin**:
- Myoglobin is an iron-binding protein found in muscle tissue. It serves to store and transport oxygen within muscle cells, which is vital for aerobic respiration during muscle contraction.
- **Conclusion**: Myoglobin is also a correct answer.

3. **Elastin**:
- Elastin is a protein that provides elasticity to connective tissues, such as skin and blood vessels. It is not specifically associated with muscular tissue.
- **Conclusion**: Elastin is not a correct answer.

4. **Ossein**:
- Ossein is a protein found in bone, primarily associated with the structure and strength of bones. It does not play a role in muscular tissue.
- **Conclusion**: Ossein is not a correct answer.

5. **Actin**:
- Actin is another essential protein in muscle contraction. It forms thin filaments that interact with myosin to enable muscle contraction.
- **Conclusion**: Actin is a correct answer.

### Summary of Correct Proteins for Muscular Tissue:
- Myosin (A) - Correct
- Myoglobin (B) - Correct
- Elastin (C) - Incorrect
- Ossein (D) - Incorrect
- Actin (E) - Correct

### Final Answer:
The correct proteins for muscular tissue are **Myosin (A)**, **Myoglobin (B)**, and **Actin (E)**.