Final answer:
The identification of an unknown bacterium involves using various methods such as biochemical tests, DNA/RNA analysis, and serological testing. Bergey's Manual is a helpful resource in identifying microorganisms.
Step-by-step explanation:
The identification of an unknown bacterium involves using various methods such as biochemical tests, DNA/RNA analysis, and serological testing. Bergey's Manual, a definitive reference book on bacteria, is a helpful resource in identifying microorganisms. It provides information on characteristics of known bacterial species and taxonomic tools like dichotomous keys.