Which of the following is correct statement ?

1. Actin and regulatory proteins are located in thin filament.
2. Z-lines anchor myosin (thick) filament to the ends of the sarcomere.
3. Sarcoplasmic reticulum stores acetylcholine.
4. Myosin cross bridges contain calcium binding sites.

Subtopic:  Skeletal Muscle: Myofilaments |
 69%
Level 2: 60%+
NEET - 2022
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NEET 2026 - Target Batch - Vital
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NEET 2026 - Target Batch - Vital

Which of the following statements are correct regarding skeletal muscle?
A: Muscle bundles are held together by collagenous connective tissue layer called fascicle.
B: Sarcoplasmic reticulum of muscle fibre is a store house of calcium ions.
C: Striated appearance of skeletal muscle fibre is due to distribution pattern of actin and myosin proteins.
D: M line is considered as functional unit of contraction called sarcomere.
Choose the most appropriate answer from the options given below:
1. C and D only 2. A, B and C only
3. B and C only 4. A, C and D only
Subtopic:  Skeletal Muscle: Basic Anatomy | Skeletal Muscle: Myofilaments | Skeletal Muscle: Sarcomere |
 55%
Level 3: 35%-60%
NEET - 2023
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital