Figure 8.3 - Metabolic Pathway
$$\begin{array} { c c }
\text { Gene } a & \text { Gene } b \
\downarrow & \downarrow \
\text { Enzyme A } & \text { Enzyme B } \
\downarrow & \downarrow \
\text { Compound A } & \rightarrow \text { Compound B } \rightarrow \text { Compound C }
\end{array}$$
-In Figure 8.3, if compound C reacts with the allosteric site of enzyme A, this would exemplify
A) competitive inhibition.
B) transcription.
C) feedback inhibition.
D) a mutation.
E) repression.

Question

Figure 8.3 - Metabolic Pathway
 $$\begin{array} { c c } 
\text { Gene } a & \text { Gene } b \
\downarrow & \downarrow \
\text { Enzyme A } & \text { Enzyme B } \
\downarrow & \downarrow \
\text { Compound A } & \rightarrow \text { Compound B } \rightarrow \text { Compound C }
\end{array}$$
-In Figure 8.3, if compound C reacts with the allosteric site of enzyme A, this would exemplify
A) competitive inhibition.
B) transcription.
C) feedback inhibition.
D) a mutation.
E) repression.

Quizplus · Accepted Answer

Feedback inhibition occurs when the end product of a metabolic pathway inhibits an enzyme involved in the pathway, often at an earlier step, to regulate the pathway's activity.

Figure 83 - Metabolic Pathway -In Figure 8