Ribosomal RNA (RRNA) Nucleotide Sequences Are Suitable for Phylogenetic Analysis

Multiple Choice

Ribosomal RNA (rRNA) nucleotide sequences are suitable for phylogenetic analysis of prokaryotes, because rRNA

A) is only present in certain species of bacteria.
B) performs functions unique to every organism.
C) is rapidly evolving.
D) is often a product of lateral gene transfer.
E) is relatively slow to evolve and is present in all free-living organisms.