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cotton plug on culture tube should be kept dry always to avoid contamination of the media by microorganisms which are suspended everywhere.

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Related Questions

Why is cotton used as plugs for glass wares containing culture medium?

Cotton is used as plugs for glass wares containing culture medium to allow for gas exchange while preventing contaminants from entering the vessel. The cotton acts as a barrier, allowing oxygen to enter the vessel for aerobic growth while protecting the culture from airborne contaminants.


Why were cotton wool plugs placed in the neck of the flasks?

Cotton wool plugs were placed in the neck of the flasks to prevent contamination from airborne microorganisms while still allowing gases to pass through. This method allowed for aeration of the culture while maintaining a sterile environment inside the flask.


Why must cotton plugs be kept dry during the process media preparation?

cotton plugs be kept dry during the process media prepration because in moist cotton many microorganisms are present so if we take dry cotton plugs , then the chances of contamination will be less.


What are materials that could be used for the filling of earmuffs and ear plugs?

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Can absorbent cotton used for preparation of cotton plug?

Yes, absorbent cotton can be used for the preparation of cotton plugs. Its high absorbency and soft texture make it suitable for various applications, including medical and dental uses. Cotton plugs can help control bleeding, absorb fluids, or serve as a cushioning material. However, it's essential to ensure that the cotton is sterile if used in medical contexts.


What are the precautionary measures in pressure steam sterilization to prevent wetting of cotton plugs?

To prevent wetting of cotton plugs during pressure steam sterilization, ensure that the cotton plugs are not oversized and are properly inserted into the openings of containers or tubes. Avoid overfilling containers to prevent condensation from coming into contact with the cotton plugs. Additionally, allow for proper ventilation during the sterilization process to prevent the buildup of moisture.


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