Which one of the following is NOT true?

a. Enzymes emerge unchanged from the reactions they catalyze.
b. An enzyme's function depends on its three-dimensional shape.
c. Enzymes are very specific for certain substrates.
d. Enzymes are used up in chemical reactions.
e. An enzyme binds to its substrate at the enzyme's active site.

Answer:
D in not true
A, B, C, and E are true. D is not.
d

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