If there are 60 colonies present on a 10-1 serial dilution
plate, approximately how many colonies should be
present on a 10-2
serial dilution plate?
Select one:
a. 600
b. 120
c. 6
d. 30
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The correct answer is: 6
Question2
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Question text
Which quantitation methods can be used to determine
the number of living and dead cells in a sample?
Select one:
a. filtration and direct plate count
b. filtration and turbidity determination
c. direct microscopic count and direct plate count
d. turbidity determination and direct microscopic
count
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The correct answer is: turbidity determination and direct
microscopic count
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If the population density of a given sample is 330,000
CFU/mL, approximately how many colonies will grow
when 0.1mL of a 10-3
dilution is plated?
Select one:
a. 3,300
b. 33
c. 110
d. 330
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The correct answer is: 33
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This study source was downloaded by 100000824189183 from CourseHero.com on 04-20-2022 05:16:22 GMT -05:00
https://www.coursehero.com/file/23533882/If-there-are-60-colonies-present-on-a-10/
plate, approximately how many colonies should be
present on a 10-2
serial dilution plate?
Select one:
a. 600
b. 120
c. 6
d. 30
Feedback
The correct answer is: 6
Question2
Correct
4.80 points out of 4.80
Flag question
Question text
Which quantitation methods can be used to determine
the number of living and dead cells in a sample?
Select one:
a. filtration and direct plate count
b. filtration and turbidity determination
c. direct microscopic count and direct plate count
d. turbidity determination and direct microscopic
count
This study source was downloaded by 100000824189183 from CourseHero.com on 04-20-2022 05:16:22 GMT -05:00
https://www.coursehero.com/file/23533882/If-there-are-60-colonies-present-on-a-10/
, Feedback
The correct answer is: turbidity determination and direct
microscopic count
Question3
Incorrect
0.00 points out of 4.80
Flag question
Question text
If the population density of a given sample is 330,000
CFU/mL, approximately how many colonies will grow
when 0.1mL of a 10-3
dilution is plated?
Select one:
a. 3,300
b. 33
c. 110
d. 330
Feedback
The correct answer is: 33
Question4
Incorrect
0.00 points out of 4.80
Flag question
Question text
This study source was downloaded by 100000824189183 from CourseHero.com on 04-20-2022 05:16:22 GMT -05:00
https://www.coursehero.com/file/23533882/If-there-are-60-colonies-present-on-a-10/
