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18 Feb 2018
"Pour plate and streaking technique to obtain pure cultures"
1. Discuss the relative convenience of pour- and streak-plate techniques in culturing clinical specimens.
2. How do you decide which colonies should be picked from a plate culture of a mixed flora?
3. Why is it necessary to make pure subcultures of organisms grown from clinical specimens?
4. What kinds of clinical specimens may yield a mixed flora in bacterial cultures?
5. When more than one colony type appears in pure culture, what are the most likely sources of extraneous contamination?
"Pour plate and streaking technique to obtain pure cultures"
1. Discuss the relative convenience of pour- and streak-plate techniques in culturing clinical specimens.
2. How do you decide which colonies should be picked from a plate culture of a mixed flora?
3. Why is it necessary to make pure subcultures of organisms grown from clinical specimens?
4. What kinds of clinical specimens may yield a mixed flora in bacterial cultures?
5. When more than one colony type appears in pure culture, what are the most likely sources of extraneous contamination?
teacherrecoLv10
30 Jul 2023
Trinidad TremblayLv2
19 Feb 2018
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