Question 1
Complex media can best be described as a bacterial growth medium
Select one:
a. with an unknown composition of nutrients.
b. containing only carbon and nitrogen.
c. consisting of a precise composition of nutrients.
d. capable of enriching for a particular type of bacteria.
Feedback
The correct answer is: with an unknown composition of nutrients.
Question 2
When preparing media, unwanted organisms can be removed by
Select one:
a. placing media in a refrigerator to stop their division.
b. allowing agar to cool to 42°C to trap them.
c. using pressure and steam to kill them.
d. heating agar to 100°C to liquefy them.
Feedback
The correct answer is: using pressure and steam to kill them.
Question 3
Agar is a carbohydrate that is isolated from
Select one:
a. seaweed.
b. bacteria.
This study source was downloaded by 100000824189183 from CourseHero.com on 04-20-2022 04:56:06 GMT -05:00
https://www.coursehero.com/file/27458727/Lab-Quiz-2docx/
, c. potato slices.
d. beef extract.
Feedback
The correct answer is: seaweed.
Question 4
Defined media can best be described as a bacterial growth medium
Select one:
a. consisting of a precise composition of nutrients.
b. containing only carbon and nitrogen.
c. capable of enriching for a particular type of bacteria.
d. with an unknown composition of nutrients.
Feedback
The correct answer is: consisting of a precise composition of nutrients.
Question 5
To ensure that your nutrient agar plates remain sterile prior to use, you should
Select one:
a. rinse them with 10% bleach.
b. use aseptic technique when pouring them.
c. store them upside down in the refrigerator.
d. keep them uncapped as long as possible.
Feedback
The correct answer is: use aseptic technique when pouring them.
Question 6
This study source was downloaded by 100000824189183 from CourseHero.com on 04-20-2022 04:56:06 GMT -05:00
https://www.coursehero.com/file/27458727/Lab-Quiz-2docx/
Complex media can best be described as a bacterial growth medium
Select one:
a. with an unknown composition of nutrients.
b. containing only carbon and nitrogen.
c. consisting of a precise composition of nutrients.
d. capable of enriching for a particular type of bacteria.
Feedback
The correct answer is: with an unknown composition of nutrients.
Question 2
When preparing media, unwanted organisms can be removed by
Select one:
a. placing media in a refrigerator to stop their division.
b. allowing agar to cool to 42°C to trap them.
c. using pressure and steam to kill them.
d. heating agar to 100°C to liquefy them.
Feedback
The correct answer is: using pressure and steam to kill them.
Question 3
Agar is a carbohydrate that is isolated from
Select one:
a. seaweed.
b. bacteria.
This study source was downloaded by 100000824189183 from CourseHero.com on 04-20-2022 04:56:06 GMT -05:00
https://www.coursehero.com/file/27458727/Lab-Quiz-2docx/
, c. potato slices.
d. beef extract.
Feedback
The correct answer is: seaweed.
Question 4
Defined media can best be described as a bacterial growth medium
Select one:
a. consisting of a precise composition of nutrients.
b. containing only carbon and nitrogen.
c. capable of enriching for a particular type of bacteria.
d. with an unknown composition of nutrients.
Feedback
The correct answer is: consisting of a precise composition of nutrients.
Question 5
To ensure that your nutrient agar plates remain sterile prior to use, you should
Select one:
a. rinse them with 10% bleach.
b. use aseptic technique when pouring them.
c. store them upside down in the refrigerator.
d. keep them uncapped as long as possible.
Feedback
The correct answer is: use aseptic technique when pouring them.
Question 6
This study source was downloaded by 100000824189183 from CourseHero.com on 04-20-2022 04:56:06 GMT -05:00
https://www.coursehero.com/file/27458727/Lab-Quiz-2docx/
