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An isolated colony represents a pure culture. one rare occasions , however , a colony can...

An isolated colony represents a pure culture. one rare occasions , however , a colony can be a mixture of 2 different bacteria. name 2 ways this could happened

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Answer #1

The two ways could be:

1) The concentration of bacteria that are plated initially is higher than required, so there would be no space for multiple bacterial to grow seperate from each other.

2) The spreading on the plate is not performed properly or the plate is not completely dried outsuch that the bacteria are freely moving in a suspension ever after they are plated.

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