Which of the Following Would You Predict for an Allosteric

question 41

Multiple Choice

Which of the following would you predict for an allosteric enzyme?

• A)An increase in the concentration of substrate molecules could activate the enzyme.
• B)Inhibitors would bind at the active site.
• C)A downstream product later in the pathway could inactivate the enzyme.
• D)A downstream enzyme later in the pathway could inhibit the allosteric enzyme.
• E)An allosteric inhibitor could cause a conformational change in the enzyme that decreases its activity.

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Definitions:

Cardiac Conduction

The process through which electrical impulses are generated and disseminated throughout the heart, resulting in its rhythmic contraction.

SA Node

The sinoatrial node, a group of cells located in the right atrium of the heart, functioning as its natural pacemaker by initiating the electrical impulses that dictate heart rhythm.

AV Bundle

A collection of heart muscle fibers that transmit the electrical impulses from the atrioventricular node to the ventricles in the heart, also known as the bundle of His.

Heart Sounds

Heart sounds are the noises generated by the beating heart and the resultant flow of blood through it, typically heard with a stethoscope.