Mutagenesis ____

a. is an example of spontaneous mutation
b. acts directly on proteins by causing them to unfold
c. occurs due to a single mRNA being translated by too many ribosomes simultaneously
d. is the production of mutations in a laboratory by exposure of a living organism to a mutagen
e. occurs when errors made by DNA polymerase are not repaired


ANSWER: d

Biology & Microbiology

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