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

question 8

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.

---

Definitions:

Blue

A color in the spectrum visible to the human eye, occupying the band approximately halfway between green and violet.

Musculoskeletal

Referring to the system of muscles and skeletons in the body and its related disorders.

Nephrology

The branch of medicine that deals with the functions and diseases related to the kidneys.

Colonoscopy

A medical procedure that uses a long, flexible camera to view the interior lining of the colon and rectum for diagnosis or treatment.