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Difference between actin and myosin

Updated: 9/15/2023

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∙ 9y ago

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Myosin is a molecular motor that converts ATP to energy. Actin is responsible for cell movement and uses energy from the ATP conversion done by myosin..

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Q: Difference between actin and myosin

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What are the proteins are involved in muscle contraction?

Actin and myosin

What are the names of protein filaments in a muscle fiber?

Actin Filaments

How do proteins actin and myosin interact to make a muscle contract?

Myosin and Actin

What are the two types of myofilaments?

The two filaments involved are myosin and actin. Actin: is the framework and slides over the myosin filament when the muscle is shortened. myosin: is a thick filament Also a sacromere: is made up of the actin and myosin. It is the functional unit of a muscle fibre and extends from z line to z line. A muscle contraction: is many sacromeres shortening ( actin sliding over 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 two contractile proteins of muscle?

The two contractile proteins of muscle are actin and myosin. Actin is a thin filament, while myosin is a thick filament. They interact with each other to generate the force required for muscle contraction.

What other protein is involved in skeletal muscle contraction?

Troponin is another protein involved in skeletal muscle contraction. It works in conjunction with tropomyosin to regulate the interaction between actin and myosin filaments during muscle contraction.

Does protein make actin and myosin?

Actin and myosin are proteins. Protein is a broad category of molecules.

Interactions between actin and myosin filaments of the sarcomere are responsible for what?

The interactions between actin and myosin filaments of the sarcomere are responsible for muscle contraction. Myosin heads bind to actin filaments, forming cross-bridges that pull the actin filaments towards the center of the sarcomere. This sliding action shortens the sarcomere, leading to muscle contraction.

What is a temporary connection between actin and myosin heads?

Cross bridge

What is actin or myosin-containing structure?

actin and myosin are myofillaments that make up myofibrils (part of a muscle fibre) (so therefore : muscle is an actin or myosin containing structure

The thick filaments of muscle fibers are composed of what?

Myosin

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