A Bacterial Phylum Is a Group of Organisms That Share

question 60

Multiple Choice

A bacterial phylum is a group of organisms that share a common ancestor that diverged early from other bacteria, based on

• A) small-subunit (16S) rRNA sequences.
• B) the presence of certain plasmids.
• C) their genomic size.
• D) having 70S or 80S ribosomes.
• E) the presence or absence of a cell wall.

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Definitions:

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