1.If some cells in your Gram stain are red/pink rods and some are purple cocci, __________.
If some cells in your Gram stain are red/pink rods and some are purple cocci, __________.
a. the bacteria ferment sucrose
b. you should inoculate an EMB agar plate
c. your unknown is a species of Escherichia
d. your unknown bacterium is a pleomorphic species
e. your smear was not made from a pure culture
2.In a clinical laboratory, all microbes contained in a clinical sample are isolated and identified.
In a clinical laboratory, all microbes contained in a clinical sample are isolated and identified.
A. True
B. False
3.If a yellow halo is present around a colony on a mannitol salt agar (MSA) plate, the bacterium cannot ferment mannitol.
If a yellow halo is present around a colony on a mannitol salt agar (MSA) plate, the bacterium cannot ferment mannitol.
A. True
B. False