Microbiology 020 - General Microbiology » Fall 2020 » Special Media

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

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