Why is it important to pull the inoculating needle out of theFTM via the same path you inserted it
Why is it important to pull the inoculating needle out of theFTM via the same path you inserted it
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Question 19 (1 point)
Each standard sized petri plate (the ones that you use) holds upto .........ml of growth medium:
Question 19 options:
5 ml | |
25 ml | |
100 ml | |
40 ml |
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Question 21 (1 point)
It is important to subculture your bacteria because:
Question 21 options:
To prevent contamination | |
To provide bacteria with fresh set of nutrients | |
Both of these |
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Question 22 (1 point)
Which of the following methods would help to isolate yellow and white bacteria from a mixture:
Question 22 options:
Dip a sterile cotton swab in bacterial culture broth, and spread it throughout a TSA plate to create a bacterial lawn. | |
Procure inoculum from a pure bacterial culture growing on TSA slant, and spread the bacteria onto a TSA plate. | |
Procure bacterial inoculum using a sterilized inoculating loop and streak it into 4 quadrants of a TSA plate, sterilizing the inoculating loop in-between each quadrant. |