End product inhibition of multistep pathways is a major mechanism for cellular r
ID: 218583 • Letter: E
Question
End product inhibition of multistep pathways is a major mechanism for cellular regulation. In this process the, Product of the last enzyme inhibits the substrate of the last enzyme Product of the first enzyme inhibits the last enzyme in the pathway First enzyme in the pathway is inhibited when ATP concentrations are depleted Product of the last enzyme inhibits the first enzyme in the pathway End product causes an intermediate enzyme to form a different product and cause a branch in the pathway. 17. a. b. c. d. e.Explanation / Answer
Answer: Option D is correct.
Explanation: End product inhibition is an example of feedback inhibition. In this process, the product of the last reaction in a metabolic pathway inhibits the first enzyme. Feedback inhibition ensures that optimal concentrations of metabolites are maintained in the cell. It helps in preventing the unnecessary accumulation of the product of a metabolic pathway.
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