Which of the following statements about feedback inhibition is false?ANSWERCells use feedback inhibition to manage their production of many biologically important compounds.It is accomplished by an end product acting as either a competitive inhibitor or as an allosteric inhibitor of an enzyme earlier in the pathway.Feedback inhibition is irreversible.Feedback inhibition slows down (or can even turn off) biochemical pathways to help cells be efficient.
Question
Which of the following statements about feedback inhibition is false?ANSWERCells use feedback inhibition to manage their production of many biologically important compounds.It is accomplished by an end product acting as either a competitive inhibitor or as an allosteric inhibitor of an enzyme earlier in the pathway.Feedback inhibition is irreversible.Feedback inhibition slows down (or can even turn off) biochemical pathways to help cells be efficient.
Solution
The false statement about feedback inhibition is: "Feedback inhibition is irreversible." In fact, feedback inhibition is a reversible process. When the end product levels decrease, the inhibition is lifted and the pathway can resume its activity.
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