Question

what is the difference between actin and myosin?

Answer 1

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Your muscles work in a similar fashion. Muscles are composed of two major protein filaments: a thick filament composed of the protein myosin and a thin filament composed of the proteinactin. Muscle contraction occurs when these filaments slide over one another in a series of repetitive events



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Answer 2

Answer:

Actin is a family of globular multi-functional proteins that form microfilaments. It is found in essentially all eukaryotic cells (the only known exception being nematode sperm), where it may be present at a concentration of over 100 μM; its mass is roughly 42-kDa, with a diameter of 4 to 7 nm.