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Conserved Genes

APBIO-W2ZWVX

In which of the following would you expect to find the MOST highly conserved sequences of nucleic acids?

A

Structurally critical regions of a polypeptide such as an active site region.

B

The intron regions of pre-mRNA sequences.

C

Ribosomal RNA sequences.

D

Bacterial genes conferring antibiotic resistance.