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
A cinereous mourner bird’s chicks resemble the poisonous larvae of flannel moths. This is an example of____
a. aposematic coloration b. Müllerian mimicry c. competitive exclusion principle d. cryptic coloration e. Batesian mimicry
Biology & Microbiology
Meiosis _____ the parental chromosome number
a. doubles b. halves c. maintains d. mixes up e. quadrupils
Biology & Microbiology
Carbohydrates typically include ________
A) an NH2 group B) C, H, and O atoms C) N and S atoms D) a PO4 group
Biology & Microbiology