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Muscles are a type of tissue composed of contractile cells or fibers that effect MOVEMENT of a part of the human body,that allows you to move your body...
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∙ 12y ago
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What are 2 important proteins in human body?
Actin & myosin
Repeating units of actin and myosin filaments are called?
Repeating units of actin and myosin filaments are called sarcomeres. These are designed to control the contraction of muscles in the human body.
What are the proteins are involved in muscle contraction?
Actin and myosin
What protein makes up the thick filaments of myofibrils?
Myosin makes up the THICK filaments, and actin makes up the thin filaments of myofibrils.
What are the thick protein filaments in the cell made of?
The thick filament is composed of the myosin molecule. The thin filament is composed of the actin molecule. Flexing the head of myosin provides the powerstroke.
What is the function of myosin?
Myosin is responsible for actin-based muscular mobility/contraction.
Myosin light-chain kinase?
is antagonized by the actions of myosin phosphatase
Binding of the myosin heads sequentially prevents what?
myosin crossbridge binding
Myofibrils are constructed of overlapping strands of protein polymers?
Actin and Myosin. A conglomeration of actin fibrils and myosin filaments form a myofibril body called a sarcomere.
The thick filaments of muscle fibers are composed of what?
Myosin
Which proteins found myofilaments contains the cross bridge?
The two muscle filaments are Myosin and Actin. Myosin is the thicker of the two. When a muscle contracts, a hook like particle extends off the myosin and grabs the actin pulling it in causing the contraction/ tension of the muscle
What does the release of ADP and P from the myosin head cause?
The release of ADP and P from the myosin heads causes the myosin heads to change shape.
