Microbiology 020 - General Microbiology » Fall 2020 » Special Media
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Question #1
Match the differential agents with the media. : MAC
A.
lactose
B.
mannitol
C.
sucrose
Question #2
Match the differential agents with the media. : MSA
A.
sucrose
B.
lactose
C.
mannitol
Question #3
Which of the following is (are) the selective agent(s ) for MSA? Choose all that apply.
A.
colistin
B.
high salt concentration
C.
crystal violet
D.
bile salts
Question #4
Which of the following is (are) the selective agent(s ) for MAC? Choose all that apply.,,
A.
bile salts
B.
crystal violet
C.
colistin
D.
high salt concentration
E.
nalidixin acid
Question #5
Which of the following is (are) the selective agent(s ) for CNA? Choose all that apply.,,
A.
bile salts
B.
colistin
C.
crystal violet
D.
nalidixin acid
E.
high salt concentration
Question #6
Match the following: colistin
A.
lactose fermenter
B.
inhibits nucleic acid synthesis
C.
affects membrane function
Question #7
Match the following: nalidixic acid
A.
affects membrane function
B.
lactose fermenter
C.
inhibits nucleic acid synthesis
Question #8
Which of the following selects for gram positive bacteria? Choose all that apply.,,
A.
MAC
B.
Columbia CNA
C.
MSA
Question #9
Which of the following selects for gram negative bacteria? Choose all that apply.
A.
MAC
B.
MSA
C.
Columbia CNA
Question #10
Phenol red is _______ in an acidic environment, while neutral red is ______ .
A.
pink,pink
B.
yellow, pink
C.
yellow, orange
D.
orange, pink
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