How Might an Amino Acid Change at a Site Distant

question 69

Multiple Choice

How might an amino acid change at a site distant from the active site of the enzyme alter the enzyme's substrate specificity?

• A) by changing the enzyme's stability
• B) by changing the enzyme's location in the cell
• C) by changing the shape of the protein
• D) by changing the enzyme's pH optimum
• E) an amino acid change away from the active site cannot alter the enzyme's substrate specificity

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Definitions:

Ventricular Fibrillation

A life-threatening heart rhythm disorder characterized by rapid, irregular heartbeats that prevent the heart from pumping blood effectively.

Cardiac Rhythm

The pattern of electrical activity of the heart as it beats, which can be normal (sinus rhythm) or indicative of various heart conditions.

Asystole

A state of no electrical activity and no contractions in the heart, leading to a lack of blood flow, also known as flatline.

Chest Pain

A discomfort or pain felt in the chest area, which can be a symptom of a variety of conditions, ranging from non-serious to life-threatening.