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astra-53 [7]
3 years ago
14

An organism which is sensitive to an antibiotic is grown in the lab in a pure culture on a medium with the antibiotic , if we se

e colonies of the organism growing on the plate then it must have undergone
A. transpoon muagenesis
B. Spontaneous mutation
C. natural selection
D. x ray induced mutation

The VP test is used to differentiate

A. Gram positive organisms
B. Gram negative organisms
C. Klebsiella vs Enterobacter
D. Genus of Enterobacteriaceae family
Biology
1 answer:
soldi70 [24.7K]3 years ago
3 0

Answer:

C. natural selection

B. Gram negative organisms

Explanation:

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