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 biological molecules (typically proteins) that significantly speed up the rate of virtually all of the chemical reactions that take place within cells. However, there are also a few RNAs that function as enzymes. So, option a is correct. Show more…
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