Answered

Question 1 (2 points) ✓ Saved
Flaming the mouth of the tube containing sterilized nutrient broth is not necessary
before introducing a specimen from bacterial culture.
True
False
Question 2 (2 points) ✓ Saved
After sterilizing inoculating loop in the hottest part of the flame, a student needs to
immediately immerse it into the broth bacterial culture to avoid contaminations.
True
False
Question 3 (2 points)
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Answer :

GinnyAnswer

Final answer:

Flaming the mouth of the tube before introducing the specimen is necessary to prevent contamination. The inoculating loop should be cooled by touching the broth, not plunged in, to avoid killing bacteria.


Explanation:

False. Flaming the mouth of the tube containing sterilized nutrient broth is necessary before introducing a specimen to prevent contamination. False. After sterilizing the inoculating loop, it should be immediately cooled by touching it to the broth bacterial culture, not plunged in, to avoid killing the bacteria.


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