1/ You need to count colonies on a plate. The plate was created using a 1/103 dilution...
Question:
1/ You need to count colonies on a plate. The plate was created using a 1/103 dilution of a bacteria culture. You count 50 colonies after plating one ml of diluted sample. How many cells in the original tube?
a.500
b.5000
c.50000
d.0.05000
2/ You are using media that contains 2% w/v agar. In 1L, how much agar do you need to add to get that %?
2 g | ||
20 g | ||
200 g | ||
cannot answer without the molecular weight |
3/ What is not true about the streak for isolation technique?
isolated colonies will be always found in the 4th quadrant | ||
You must flame your loop between each quadrant | ||
You cannot put the lid of the plate on the bench while working. | ||
The loop must be made orange when flaming it to ensure that it is hot enough. |
4/ Which tube uses a needle rather than a loop for inoculation?
broth | ||
deep | ||
slant | ||
anaerobic |
Federal Taxation 2016 Comprehensive
ISBN: 9780134104379
29th edition
Authors: Thomas R. Pope, Timothy J. Rupert, Kenneth E. Anderson