Question

multiple choice question what is encircled in this image that represents an enzyme - catalyzed reaction in a cell? reaction site active site inhibitory site product site

Explanation:

In an enzyme - catalyzed reaction, the active site is the region on the enzyme where the substrate binds and the reaction occurs. It is specifically designed to fit the substrate and facilitate the chemical change. The reaction site is a more general term, the inhibitory site is for molecules that inhibit the enzyme, and the product site is not a standard term in this context.

Answer:

B. Active site