Which of the following is a characteristic of feedback inhibition? A) The end product inhibits an earlier enzyme in the pathway B) The end product activates an enzyme in the pathwa... Which of the following is a characteristic of feedback inhibition? A) The end product inhibits an earlier enzyme in the pathway B) The end product activates an enzyme in the pathway C) It always leads to the degradation of the pathway's substrates D) It occurs only in organisms that utilize aerobic respiration
Understand the Problem
The question is asking about the characteristics of feedback inhibition, specifically which option correctly describes it. Feedback inhibition is a regulatory mechanism in biochemical pathways. The correct answer will indicate how the end product interacts with the enzymes of the pathway.
Answer
A) The end product inhibits an earlier enzyme in the pathway.
The correct answer is A) The end product inhibits an earlier enzyme in the pathway.
Answer for screen readers
The correct answer is A) The end product inhibits an earlier enzyme in the pathway.
More Information
Feedback inhibition helps prevent overproduction of a product and helps maintain homeostasis by stopping the enzyme activity early in the pathway.
Tips
A common mistake is to confuse feedback inhibition with product activation, which is not the same mechanism.
Sources
- Enzyme regulation (article) | Khan Academy - khanacademy.org
- Negative Feedback - Online Tutor, Practice Problems & Exam Prep - pearson.com
- Solved Select all of the following that are characteristics | Chegg.com - chegg.com
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