Microbiology Exam 1

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1.  Koch's postulates provided guidelines for
A.
B.
C.
D.
2.  The base sequence of a messenger RNA molecule that is complementary to the sequence CGTTAGA would be expressed as
A.
B.
C.
D.
3.  Two important coenzymes that function inoxidative phosphorylation are
A.
B.
C.
D.
4.  The krebs cycle accounts for all the following except
A.
B.
C.
D.
5.  A non-specific resistance factor effective against viral infection is
A.
B.
C.
D.
6.  Which one of the following does not apply to endotoxins
A.
B.
C.
D.
7.  Psychrophiles and thermophiles differ with respect to their
A.
B.
C.
D.
8.  Which one of the following sequences exhibits increasing size
A.
B.
C.
D.
9.  All the following apply to the process of protein synthesis except
A.
B.
C.
D.
10.  An organism having pili has the advantage over one that alcks pili because
A.
B.
C.
D.
11.  The major activity of transcription is to
A.
B.
C.
D.
12.  Unicellular photosynthetic microbes that are eukaryotic are members of the
A.
B.
C.
D.
13.  All of the following characteristics apply to enzymes except
A.
B.
C.
D.
14.  UV light may induce a mutation by
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B.
C.
D.
15.  The classical Golden Age of microbiology came to an end partly due to the
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B.
C.
D.
16.  The cell that matures in the thymus gland
A.
B.
C.
D.
17.  Through the techniques of genetic engineering, you have produced a plasmid that contains a gene for human insulin. Such a plasmid is called a(n)
A.
B.
C.
D.
18.  All the following function in the process of protein synthesis except
A.
B.
C.
D.
19.  In the log phased of growth
A.
B.
C.
D.
20.  Generalized transduction is carried out by
A.
B.
C.
D.
21.  The gram stain technique is valuable in distinguishing
A.
B.
C.
D.
22.  Monotrichous and pritrichous bacteria differ in
A.
B.
C.
D.
23.  Enzymes play an important role in biological chemistry because they
A.
B.
C.
D.
24.  The link between macrophages and neutrophils is that both cells
A.
B.
C.
D.
25.  The peptidoglycan of a bacterium
A.
B.
C.
D.
26.  Microbiology failed to rapidly develop after Leeuwenhoek's time because
A.
B.
C.
D.
27.  Prokaryotes and eukaryotes differ primarily with regard to the absence or presence of a cell
A.
B.
C.
D.
28.  Which one of the following groups is not resolved with the light microscope
A.
B.
C.
D.
29.  The genome of a bacterium consists of
A.
B.
C.
D.
30.  A normal flora may be found in all the following enviornments except
A.
B.
C.
D.
31.  In order for oxidative phosphorylation to take place, the environment must contain a certain amound of
A.
B.
C.
D.
32.  Hyaluronidase is a bacterial enzyme that
A.
B.
C.
D.
33.  In the prodromal phase, symptoms
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B.
C.
D.
34.  Semmelweis showed that the transmission of disease could be interrupted by
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B.
C.
D.
35.  The chromosome of Escherichia coli
A.
B.
C.
D.
36.  Facultative bacteria are those that
A.
B.
C.
D.
37.  Restriction enzymes are notable for their ability to
A.
B.
C.
D.
38.  Which one of the following is not an effect of complement activation
A.
B.
C.
D.
39.  All the following are functions of the bacterial cell membrane except
A.
B.
C.
D.
40.  The catabolic process in which glucose is converted into pyruvate is called
A.
B.
C.
D.
41.  All of the following characteristics of prokaryotes except
A.
B.
C.
D.
42.  Electrons for oxidative phosphorylation can originate from
A.
B.
C.
D.
43.  All of the following characteristics apply to the prokaryotes except
A.
B.
C.
D.
44.  Pasteurs study of fermantation was critical to the development of microbiology because
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B.
C.
D.
45.  In the operon, genes that code for enzymes are called
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B.
C.
D.
46.  Natural Killer (NK) cells can be describe by all of the following except
A.
B.
C.
D.
47.  ATP releases its energy by
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B.
C.
D.
48.  The mRNA that codes for a particular protein will have ___ nucleotides for each amino acid in the protein
A.
B.
C.
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