Cultures of a bacterial species were incubated on the shelf of a refrigerator, out on a lab bench top, on the shelf of a 37^$\circ$C incubator and on the shelf of a 50^$\circ$C incubator.After incubation, there was no growth at 37^$\circ$ C and 50^$\circ$ C, slight growth out on the bench top and abundant growth at refrigeration.What term could be used for this species?

Question

Quizplus · Accepted Answer

The best choice for this species would be a psychrophile, as it only grew at cold temperatures and did not grow at higher temperatures. A psychrophile is a type of organism that thrives at cold temperatures, typically below 15°C. It would not be a halophile, as there is no indication that salt was used in the culture medium, nor would it be an anaerobe or capnophile, as there is no indication that the bacteria required or did not require oxygen or carbon dioxide. Finally, a mesophile typically grows best at temperatures between 20°C and 45°C, while the bacterial species described in the question only grew at refrigeration temperatures, which are below the mesophilic range.

Cultures of a Bacterial Species Were Incubated on the Shelf ∘\circ∘

Cultures of a Bacterial Species Were Incubated on the Shelf $\circ$