Isotropic band are elongated during muscle contraction?
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Answer:
No they are contracted during muscle contraction
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No, Isotropic bands are not elongated during Muscle Contraction.
Explanation:
- Myosin or thick filament and actin or thin filament are the two protein components of the muscles which aids in its contraction process.
- The isotropic bands are formed, when the sarcomeres ( the basic functional units), get stacked on each other throughout the tissues of muscles.
- This tissue changes in the length and thus, the muscle cells are elongated and not the isotropic bands.
- The contraction process takes place as these thick and thin filaments slide over each other.
- Due to this, the biochemical changes occur and the impulse is being sent through the motor nerve to neuro muscular junction through the release of Acetylcholine.
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