1
Question
ATPase enzyme needed for muscle contraction is located in ______.
ATPase enzyme needed for muscle contraction is located in ______.
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Solution
The correct option is A Myosin
- In myosin, there are two parts head and tail. The Head has an active ATPase enzyme, ATP binding site, and actin-binding site which is needed for muscle contraction while the tail has two heavy chains that wrap spirally to form a helix structure.
- Actin protein is responsible for muscle contraction, cell motility, cell division, cytokinesis, vesicle, and organelle movement, cell signaling, etc.
- Actinin is a microfilament protein that is essential for the attachment of actin filaments to the Z-lines in skeletal muscle cells, and to the dense bodies in smooth muscle cells.
- Troponin proteins are found in skeletal and cardiac muscle fibers that regulate muscular contraction.
Hence, the correct answer is option A, i.e., Myosin.
- In myosin, there are two parts head and tail. The Head has an active ATPase enzyme, ATP binding site, and actin-binding site which is needed for muscle contraction while the tail has two heavy chains that wrap spirally to form a helix structure.
- Actin protein is responsible for muscle contraction, cell motility, cell division, cytokinesis, vesicle, and organelle movement, cell signaling, etc.
- Actinin is a microfilament protein that is essential for the attachment of actin filaments to the Z-lines in skeletal muscle cells, and to the dense bodies in smooth muscle cells.
- Troponin proteins are found in skeletal and cardiac muscle fibers that regulate muscular contraction.
Hence, the correct answer is option A, i.e., Myosin.
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