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it is to prevent the moisture formed due to condensation of the agar ,to mix with the components present in the petri plates, else causes contamination

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14y ago

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Why are inverted plates during incubation?

Because during incubation moisture will form at the top of the petri dish. Inverting the dish prevents it from dropping into whatever you have in the petri dish.


Why does petri plate is inverted during incubation?

Because during incubation moisture will form at the top of the petri dish. Inverting the dish prevents it from dropping into whatever you have in the petri dish.


Why petriplates keep in inverted position in incubator for bacterial growth?

There is always some water condensation on the inside of the lid if it's kept in the 'regular' position. If water drips back to the culture the indivodual bacterial colonies will wash together. Inverted incubation prevents that.


Why petri dish is inverted in incubation in membrane filtration method?

This inversion prevents moisture condensing on the surface of the plate. That would make a problem in that the growth on the plate would be "distorted" by the water making ID more difficult.


Why we put the inverted petridish in the incubater after streaking?

Placing the inverted Petri dish in the incubator after streaking helps prevent contamination from condensation dripping onto the streaked agar surface. It also helps to maintain a sterile environment by protecting the surface of the agar from airborne contaminants that may settle on it during incubation.


Why are petri plate inverted when put in the incubator.?

to prevent condenstion of the gel


Can condensation in petri plates be wiped with a towel?

No. It will contaminate the plates.


Importance of flaming the edges of the petri plates before and after pouring the media?

Flaming the edges of the petri plates before pouring the media helps to create a sterile environment by killing any microorganisms present on the surface. Flaming the edges after pouring the media helps to prevent contamination of the agar surface by airborne microorganisms during incubation.


What are the differences between agar plates and petri dishes, and how do these differences impact their use in laboratory experiments?

Agar plates and Petri dishes are both used in laboratory experiments for growing microorganisms. The main difference between them is that agar plates are the medium used to grow the microorganisms, while Petri dishes are the containers that hold the agar plates. This impacts their use in experiments because agar plates provide a solid surface for the microorganisms to grow on, while Petri dishes provide a sterile environment for the agar plates to be placed in. This allows for the controlled growth and observation of microorganisms in a laboratory setting.


Why is petri dish inverted when incubating?

Inverting a petri dish after it cools is done to prevent the formation of condensation droplets,which can then fall into the agar. Likewise, sealing the dish also prevents contamination with bacteria.


Why agar plates inverted during the incubation period?

Bacteria love to grow in moist damp places - if you haven't noticed, condensation causes water droplets to form on the top of the lid and if you incubated the plate with lid on top when the water runs down the sides of the plate it can easily contaminate your culture.


What is used to sterilize plastic petri plates in plastic wrapper?

Gamma rays