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user100 [1]
3 years ago
15

Why do microbiologists need to isolate bacterial colonies from a specimen? quzilet?

Biology
2 answers:
vekshin13 years ago
7 0

Specimens taken from a patient sample usually contain a mixture of different bacteria. But sample with only one type of bacteria, are necessary to study a bacterial species accurately. Therefore, it is necessary to isolate all of the possible disease causing organisms in order to study the sample by itself. Once isolation of individual colonies is done, then these colonies can be used for identification tests. A sample of the specimen is move very fast onto an agar plate in order to physically separate the bacterial colonies.


saul85 [17]3 years ago
3 0
This is because the specimens  will usually have more than one kind of bacteria, therefore they have to isolate a specimen to study it by itself.
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