Which of the following best defines a strain in microbiological terms?
A)a pure culture that is not totally identical to other cultures of the same species
B)a group of organisms with a limited geographical distribution
C)a mixed population of cells,which are genetically distinct,but with highly similar phenotypic characteristics
D)groups of cells all derived from and identical to a single parent species
E)same as a species

Question

Quizplus · Accepted Answer

A strain in microbiology refers to a genetic variant or subtype of microorganisms (such as bacteria, viruses, or fungi). It is a pure culture that exhibits slight differences from other cultures of the same species, which can be due to mutations or adaptations.

Which of the Following Best Defines a Strain in Microbiological