Growth of several colonies originating from a single colony,and thus a single cell,is known as a:

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This is the definition of a pure culture.In microbiology,pure cultures are necessary for accurate identification and susceptibility testing.Mixed cultures have more than one type (species)of bacteria present.Primary culture refers to the plates that are inoculated with the specimen.When these plates are incubated overnight bacterial populations can be observed.Depending on the infection,one or more species can be present.If more than one species is present,usually a subculture is performed to isolate each species on different agar plates in pure culture.

Growth of Several Colonies Originating from a Single Colony,and Thus