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To avoid killing the test subjects before the test can begin.

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14y ago

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Why must the inoculating loop be cooled before touching a culture?

To avoid killing the test subjects before the test can begin.


Why should you let the inoculating loop cool first before and after using it?

The inoculating tube is cooled before use so that the organism is not killed by extensive heat.


Why cooling the inoculating instrument prior to obtaining the inoculum?

The purpose of heating the inoculating materials before and after using them is for sterilization. They must be sterilized before to kill any bacteria already on them so that they do not contaminate anything during use, and they must be sterilized after to get off the bacteria contacted from use.


Why is the loop allowed to cool before putting it into the bacterial culture?

Because too much heat can kill bacteria. Think of pasteurised milk - the pasteurising process involves rapid heating and cooling to kill off any bacteria that might be present in the milk.


Why should nutrient agar be cooled to 50 c before inoculating the bacteria?

To minimise condensation on the lid of the Petri dish.


Why is culture medium cooled 48 temperature before is poured?

In pour plate technique the culture to be grwon is pour in melted agar medium, now when we add the diluted sample in agar plate and if the melted agar is very hot, it can lead to the damage of bacterial or fungal cell and may cause in abruption of growth, so the agar is cooled to get the optimum temp. for growth of microbial cell.


What are the other inoculating instruments aside from needle?

Some other inoculating instruments include loops, spreaders, swabs, and pipettes. These tools are used to transfer and spread microorganisms onto various growth media for cultivation and observation in laboratory settings.


Why is the milk cooled before the bacteria are added?

Because it is. face it


Why is tar heated and not cooled before applied to a roof?

Tar is heated so it can stick to what ever it is going on. If it was cooled it would not stick right.


Why spices are cooled before blending?

cause that makes it taste better


Why are the acidic extracts and the basic extracts cooled before neutralization?

jjgg


What are the disadvantages of boiling water for drinking?

It is hot and must be cooled before consumption.