M4: Module 4 Exam- Requires Respondus LockDown Browser Due No due date Points 100 Questions 24 Time Limit 60 Minutes Requires Respondus LockDown Browser This quiz is currently locked. What are the requirements of a fastidious microbe? This study source was downloadYeod buyr10A00n0s08w49e84r0:424 fr...
true or false differential media is best suited for distinguishing between two similar species of bacteria
a researcher is asked to determine if a sample contains neisseria meningitides knowing nei
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2/22/22, 3:47 PM M4: Module 4 Exam- Requires Respondus LockDown Browser: Essential Microbiology with L
M4: Module 4 Exam- Requires Respondus LockDown Brows
Due No due date Points 100 Questions 24 Time Limit 60 Minutes
Requires Respondus LockDown Browser
This quiz is currently locked.
Question 1
True or False: Differential media is best suited for distinguishing between two similar spe
Co
orrrec
ct! True
Growth media does not contain restrictive factors, while selective media is best used to en
growth of one microbe while simultaneously discouraging the growth of the other. Since two
of microbes are being studied they must be differentiated under similar but just slightly diffe
(differential media).
False
Question 2
A researcher is asked to determine if a sample contains Neisseria meningitides. Knowin
meningitides is slow growing and other foreign microbes may also be present in the cult
media would be best suited?
Growth media
Co
orrrec
ct An
nsw
wer Selective media
Differential media
Selective and Differential media
, 2/22/22, 3:47 PM M4: Module 4 Exam- Requires Respondus LockDown Browser: Essential Microbiology with L
A fastidious microbe is an organism with complex growth requirements such t
will not grow. Enriched medias thus contain these specific and essential nutrie
the growth of a particular subset of microorganisms.
Question 4
True or False: LB agar is classified as a non-selective, non-differential media.
Co
orrrec
ct! True
LB agar is the most basic type of agar and like LB media supports the growth of virtually all
without restriction.
False
Question 5
The polysaccharide-based hardening agent added to LB media to produce LB agar is de
Your Answer:
Algae extract or seaweed
Seaweed (algae) extract.
Question 6
Blood agar is which type of medium? Select all that apply.
Co
orrrec
ct!
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