Question
Enzymes _____.a. are proteins, except for a few RNAsb. lower the activation energy of a reactionc. are changed by the reactions they catalyzed. a and b
Step 1
Enzymes are indeed proteins for the most part, but there are a few exceptions where they are RNAs. For example, ribosomes are RNA enzymes that catalyze the reaction of protein synthesis. Therefore, option A is true. Show more…
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