A substance that is acted upon by an enzyme and undergoes a change is knows as a(n)
A)cofactor.
B)coenzyme.
C)essential amino acid.
D)substrate.

Question

Quizplus · Accepted Answer

A substrate is a substance that is acted upon by an enzyme and undergoes a change. The enzyme binds to the substrate and converts it into a product. Cofactors and coenzymes are molecules that help enzymes to function properly, but they are not substrates themselves. Essential amino acids are building blocks of proteins and are not directly related to enzyme activity.

A Substance That Is Acted Upon by an Enzyme and Undergoes