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The sliding filament model of muscle contraction explains how muscles produce force in order to contract. Two filaments, actin and myosin, slide over one another to shorten the entire length of the sarcomere, thus producing muscle contraction.

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What filament is responsible for the pulling and what filament is pulled in the sliding filament theory?

In the sliding filament theory of muscle contraction, the thin filament (actin) slides over the thick filament (myosin). Myosin is responsible for pulling the actin filaments towards the center of the sarcomere during muscle contraction.


In the sliding filament mechanism the thin filament is being pulled toward the?

M-line, causing overlap with the thick filament during muscle contraction. This results in the sarcomere shortening and overall muscle contraction.


What is the model that best describes the contraction of the muscle called?

The sliding filament theory is the model that best describes muscle contraction. It explains how actin and myosin filaments slide past each other, resulting in muscle fiber shortening and contraction. This theory is widely accepted in the field of muscle physiology.


Which myofilaments actually do the pulling during the sliding filament model of muscle contraction?

thick filaments


Physical evidence that supports the sliding filament theory of muscle contraction includes?

decreased width of the H band during contraction


Who proposed the sliding filament theory?

it was a collaboration between Jean Hanson and Hugh Huxley


In isometric contraction how does the muscle stay the same length when the sarcomeres are shortening according to the sliding filament theory?

Dear freind! there is not any filamnet sliding in isometric contraction and so there is no work...


What myofilament does the pulling?

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.


The sliding filament mechanism of muscle contraction involves?

The sliding filament mechanism of muscle contraction involves the interaction between actin and myosin proteins within muscle fibers. When muscles contract, myosin heads bind to actin filaments, causing them to slide past each other and generate force. This process is driven by the hydrolysis of ATP to provide the energy needed for muscle movement.


Sliding filament model which proteinS have a calcium binding site?

In the sliding filament model of muscle contraction, the protein troponin has a calcium binding site on the troponin C subunit. When calcium binds to troponin C, it triggers a conformational change in the troponin-tropomyosin complex, allowing myosin heads to interact with actin and initiate muscle contraction.


How would a drug that interferes with cross bridge formation affect muscle contraction?

A drug that interferes with cross-bridge formation would prevent the myosin heads from binding to actin filaments, impairing the sliding filament mechanism essential for muscle contraction. This would result in a decrease in muscle force generation and overall muscle contraction efficiency.


Principle by which muscle fibers contract?

Sliding filament mechanism