What is the purpose of diluting a culture by making "quadrant streaks" (or "streak plating") bacteria, and what can we use them for? Check all that apply A. To observe colony morphology/color B. To isolate viral plaques C. testing growth conditions or treatments
What is the purpose of diluting a culture by making "quadrant streaks" (or "streak plating") bacteria, and what can we use them for? Check all that apply
| A. |
To observe colony morphology/color |
|
| B. |
To isolate viral plaques |
|
| C. |
testing growth conditions or treatments (such as media, antibiotics, incubation temperature etc.,) |
|
| D. |
To isolate a clonal population of bacteria from the rest of the culture |
|
| E. |
For subculturing (transferring to new media so we can grow more bacteria, storing the plate in a fridge for repeated use so the bacteria don't die quickly) |
|
| F. |
Accurate quantification (to calculate CFU/mL) |
|
| G. |
To know what strain of bacteria you're working with, since you can tell based on how it looks on the plate. |
|
| H. |
To lower risk of contamination/identify contamination |
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