Many Metabolic Pathways Involve Multistep Reactions

Multiple Choice

Many metabolic pathways involve multistep reactions. Consider the following pathway. Which of the following would be an example of feedback inhibition?

A) the product of the final reaction, F, interacting with E₁.
B) F interacting with an allosteric site in E₄.
C) B interacting with an allosteric site in E₁.
D) all of the intermediates or products in the reaction interacting with the active site in E_1.