A Petri dish containing isolated colonies of Staphylococcus aureus, Escherichia coli, and Pseudomonas aeruginosa would be described as being
A) A mixed culture
B) An axenic culture
C) A pure culture
D) A contaminated culture
A) A mixed culture
Biology & Microbiology
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After the bacteria were left in the dark for two minutes, the bacteria were
a. evenly distributed throughout the chamber. b. clustered on the algal filament. c. clumped along certain areas of the algal filament. d. actively avoiding the algal filament.
Biology & Microbiology
The bubbles in beer are ____
a. carbon dioxide b. oxygen c. ethanol d. pyruvate e. nitrous oxide
Biology & Microbiology
Which taxa contain the largest number of known species?
A) coleoptera B) plants (embryophytes) C) fungi D) crustaceans
Biology & Microbiology
The structure that attaches a chromosome to a microtubule is called a(n)
a. centriole. b. MAR. c. kinetochore. d. spindle. e. MTOC.
Biology & Microbiology