Cultures of a bacterial strain were incubated in a refrigerator (5°C), on a lab bench (22°C), in a 37°C incubator, and in a 50°C incubator.  After incubation, there was no growth at 37°C and 50°C, slight growth in the refrigerator, and abundant growth on the lab bench top.  Which term best describes this organism?

A. Capnophile
B. Mesophile
C. Halophile
D. Psychrotroph
E. Anaerobe


Answer: D

Biology & Microbiology

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Biology & Microbiology