Each myosin molecule of sarcomere is composed of
Correct Answer: Six monomers
Description: Sarcomeres are the fundamental contractile unit of skeletal muscle and are characterized by their highly ordered appearance under a polarizing light microscope.Thick filaments in the A band are composed primarily of the protein myosin. Each myosin molecule is composed of six monomers: two protein strands intewined in a helical arrangement (termed heavy chains) and four smaller, globular proteins (termed myosin light chains).Thin filaments are composed of three primary proteins: actin, tropomyosin, and troponin.
Category:
Microbiology
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