Both ATP and CTP Are Allosteric Regulators of the Enzyme

question 15

Multiple Choice

Both ATP and CTP are allosteric regulators of the enzyme aspartate transcarbamoylase. Which of the following correctly identifies the activities of these two regulators?

• A)ATP: activator; CTP: activator
• B)ATP: activator; CTP: inhibitor
• C)ATP: inhibitor; CTP: activator
• D)ATP: inhibitor; CTP: inhibitor
• E)none of the above

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Definitions:

Caffeine

A stimulant found in coffee, tea, and other beverages, known to enhance alertness and energy levels.

Coffee

A brewed drink prepared from roasted coffee beans, which are the seeds of berries from the Coffea plant.

Moderate Drinking

Consuming alcohol in a manner that is within recommended guidelines and limits, minimizing health risks.

Fetal Alcohol Effects

A range of effects that can occur in an individual whose mother drank alcohol during pregnancy, including physical, mental, behavioral, and/or learning disabilities.