What Would Be the Effect on Muscle Contraction If Troponin

question 10

Multiple Choice

What would be the effect on muscle contraction if troponin were experimentally altered to no longer interact with tropomyosin,so the complex could no longer bind to actin?

• A)Muscle contraction could no longer occur.
• B)Muscles could not relax after contraction.
• C)Muscle contraction would be weakened but would still occur as long as tropomyosin is functional.
• D)ATP could not be hydrolyzed by enzymes in the muscle.

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Definitions:

Complete Combustion

A combustion reaction where the fuel is entirely consumed, producing only carbon dioxide, water, and energy, assuming ample oxygen supply.

Decane

A saturated hydrocarbon with the formula C10H22, consisting of a chain of ten carbon atoms.

Moles

A unit of measurement used in chemistry to express amounts of a chemical substance, defined as the amount of any substance that contains as many elementary entities as there are atoms in 12 grams of pure carbon-12.

Line Angle Drawing

A simplified structural formula used in organic chemistry, where lines represent bonds between carbon atoms, and carbon and hydrogen atoms are often not shown for simplicity.