Which statement about enzymes is true? A.) An enzyme functions to decrease the rate of a chemical reaction.
B.) Enzymes are proteins that function as catalysts in nonliving things.
C.) Each enzyme can catalyze many different biochemical reactions.
D.) Enzymes and substrates fit together like a lock and key.

Dna, in the nucleus carries the genetic code for making proteins in ribosomes. in the diagram, b, represents the proteins produced. dna cannot leave the nucleus to carry the genetic information to the ribosome where proteins are produced. how does the genetic code get from the nucleus to the ribosome? what does a represent? now