The main component of the thick filaments in muscle fibers is myosin protein, and it is responsible for muscle contraction.
What is myosin protein?
Myosin comes under motor protein, which is best known for muscle contraction.
They are dependent on ATP and are responsible for motility that is actin-based.
This protein is found in the muscle cells.
Myosin protein converts chemical energy into mechanical energy in the form of ATP.
Thus, the correct option is b, myosin.
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