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A control in an agar plate is the left over spot where you have put no bacteria swabs on, that way when the bacterias have grown you can see if the bacterias spread onto the control, or if the control stayed disinfected.

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14y ago
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11y ago

it lets the bacteria grow

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Q: What is the purpose of a control agar plate?
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What was the purpose of incubating the unopened agar plates?

to determine and test its growth rate at room temperature and body temperature as a control plate.


Where should a label written on an agar plate?

On the base of the agar plate.


Where should a label be written on an agar plate?

On the base of the agar plate.


What does it mean to inoculate an agar plate?

to inoculate an agar plate you would place bacteria on the agar to grow


What is a Mac plate?

MacConkey Agar plate


What is the name of the streak when you apply specimen to agar plate?

It is called a streak plate, inoculating the agar plate with a zig-zag motion.


Why have zone inhibition?

It is the area on an agar plate where growth of a control organism is prevented by an antibiotic usually placed on the agar surface. If the test organism is susceptable to the antibiotic, it will not grow where the antibioitic is.


Will s aureus grow on a crystal violet agar plate?

Yes. S. aureus can grow on TSA plate because this plate is general purpose medium and has most nutrient for bacteria growth.


What is the purpose of of agar in nutrient agar?

To make it semi-solid


Why are there areas on the agar jelly where no bacteria are growing?

There are areas on the agar plate where no bacteria grow because that area was missed when the plate was streaked.


When is a starch agar plate used?

Agar is used to culture bacteria for scientific research.


How do colonies on the surface of a pour plate differ from those suspended in agar?

How do colonies on the surface of a pour plate differ from those suspended in the agar?