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The myosin myofilament pulls on the actin myofilament during muscle contraction. This interaction, known as the sliding filament theory, results in the shortening of the sarcomere and muscle contraction.

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1y ago

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Related Questions

The protein that makes up the thin myofilament?

protein that makes up thin myofilament


What is the order from largest to smallest myofibril fascicle myofiber myofilament?

myofilament myofibril myofiber fascicle muscle


What chemicals are involved with contracting muscles?

Actin (thin myofilament), myosin (thick myofilament), calcium, and ATP (energy).


The thin myofilament of the skeletal muscles is made o?

The thin myofilament of skeletal muscles is made of the globular protein called actin.


What protein makes up the thick myofilament?

The protein that makes up the thick myofilament in muscle cells is called myosin. Myosin is a motor protein that plays a key role in muscle contraction by interacting with actin, the protein in the thin myofilament.


Actin- or myosin-containing structure?

myofilament


What is a myofilament with a knob like head?

Myosin


Which myofilament contains actin and myosin?

muscle


What is the myofilament with a knob like head?

Myosin


What is the order of fibers?

Fascicle (largest) Fiber Myobibril Myofilament (smallest)


Which type of myofilament is composed of thick long complexes of protein molecules and have appendages known as bridges?

actin


What is the thick myofilament needed ofr muscle contraction?

The thick myofilament required for muscle contraction is primarily composed of the protein myosin. Myosin molecules have long tails and globular heads that interact with the thin myofilament, actin, during the contraction process. This interaction, facilitated by ATP hydrolysis, allows the muscle fibers to shorten and generate force. The coordinated action of thick and thin filaments is fundamental to muscle contraction in skeletal, cardiac, and smooth muscle.