When Comparing Genes from Archaea,Bacteria,and Eukarya,which Statement Is TRUE

question 43

Multiple Choice

When comparing genes from Archaea,Bacteria,and Eukarya,which statement is TRUE?

• A) Almost all archaeal genes are more similar to eukaryotic genes than to bacterial genes.
• B) Almost all archaeal genes are more similar to bacterial genes than to eukaryotic genes.
• C) Genes in Archaea involved in DNA replication, transcription, and translation are more similar to those of Eukarya, while those encoding metabolic functions other than information processing are more similar to those of Bacteria.
• D) Archaeal genes are almost universally unique; very few are similar to either eukaryotic or bacterial genes.

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Definitions:

Cochlea

A spiral-shaped cavity of the inner ear that plays a key role in the sense of hearing, converting sound vibrations into nerve impulses.

Malleus

A small bone in the middle ear that transmits sound vibrations from the eardrum to the incus.

Stapes

The smallest bone in the human body, located in the middle ear, and is involved in transmitting sound vibrations to the inner ear.

Incus

Also known as the anvil, it is one of the three small bones in the middle ear that helps to transmit sound vibrations from the eardrum to the inner ear.