Skin, Skeleton, and Muscles Question
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Which statement regarding myosin in skeletal muscle is true?
- Myosin heads contain two functional sites, one for actin and one for tropomyosin.
- Myosin is an ATPase.
- The rate of ATP hydrolysis by myosin is the same in all types of skeletal muscle.
- Myosin heads contain two functional sites, one for actin and one for tropomyosin; and myosin is an ATPase.
- All the choices are true.