Consider a Biochemical Pathway That Branches to Form Two Different

Multiple Choice

Consider a biochemical pathway that branches to form two different products.If the end product of one of the branches is present in a large amount,at what point would the pathway be regulated to ensure adequate production of the end product of the alternative pathway while slowing or stopping production of the product already present in excess?

A) At the very first step in the entire pathway
B) At the last step in the pathway to the product in excess
C) At the last step in the pathway to the alternative product still needed
D) At the point where the two pathways branch