In Muscle Contraction, the Breaking of the Cross-Bridge Between Actin

question 58

Multiple Choice

In muscle contraction, the breaking of the cross-bridge between actin and myosin is caused by ____.

• A) hydrolysis of ATP into ADP and Pi
• B) formation of ATP from ADP and Pi
• C) release of Pi from the myosin head
• D) binding of a new ATP to the myosin head
• E) return of myosin to a high-energy state

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Definitions:

Vertex

A corner point where two or more lines, edges, or rays meet, often used in geometry.

Sketch

A rough or unfinished drawing or painting, often made to assist in making a more finished picture or as a preliminary study.

Graph

A visual representation of data or mathematical functions in a coordinate system, often used for easier interpretation or analysis.

Quadratic Formula

A formula that provides the solutions to a quadratic equation ax^2 + bx + c = 0 as x = (-b ± sqrt(b^2 - 4ac))/(2a).