Select the best definition of an enzyme

Reference no: EM13997378

Select the best definition of an enzyme
a. an enzyme is an amino acid that speeds up chemical reactions.
b. an enzyme is a protein that is consumed in the diet and aids in chemical reactions.
c. enzymes are proteins that speed up metabolic reactions and are destroyed in the process.
d. enzymes are proteins that speed up metabolic reactions and are not destroyed in the process.

Reference no: EM13997378

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