Question

Which does NOT represent one of Koch’s postulates?

A. isolate germs from an infected animal
B. grow germs in a lab culture
C. inject germs into a healthy animal
D. watch to determine how long it takes for the healthy animal to become ill

Answer 1

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B. grow germs in a lab culture

It does not represent a postulate of Koch: Growing germs in laboratory culture. The scientist, on the other hand, postulated that he isolated the known and effective germs so that he could study them.
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