STANDARDZoology-Muscle Physiology
STANDARD Zoology Muscle Proteins MCQ Question
Type: MCQ-conceptual-Medium
Major protein in the thick filament of skeletal muscle fibre is
A
Tropomyosin
B
Myosin
C
Actin
D
Troponin
Correct Answer
Option B
Detailed Explanation
Myosin or thick filament forms the dark A band. It is a motor protein that has an ATPase binding site and thus during muscle contraction, chemical energy is converted to mechanical energy for locomotion and movement.
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