Question

Myosin filaments are localised in-

• A. Z- Band
• B. H- Band
• C. A- Band
• D. None of these

Answer 1

The correct option is C

A- Band

The correct option is C:

Explanation of the correct option:

Option C:

1. A-Band corresponds to the area where contraction and relaxation occur.
2. It comprises both thick and thin filaments.
3. It comprises both myosin and actin filaments.

Explanation of the incorrect option:

Option A:

1. It is a common link that connects both the dark and light bands of the muscle fiber.
2. The dark band comprises both actin and myosin.
3. The light band comprises only actin.

Option B:

1. It is the area of thick filaments only.
2. Myosin constitutes thick filaments.
3. Actin constitutes the thin filaments.

Final answer: Myosin filaments are localized in A- Band.