MICROBIOLOGY FINAL
TEST BANK|
COMPREHENSIVE
SOLUTIONS 2022-2023
Penicillin controls bacterial growth by:
A) preventing synthesis of the lipopolysaccharide layer
B) inhibiting protein synthesis
C) preventing cross-link formation in peptidoglycan
D) preventing generation of the proton motive force
preventing cross-link formation in peptidoglycan
Reproduction via binary fission leads to what type of growth under optimal
conditions:
A) linear
B) mixed
C) exponential
D) uptake-limited
exponential
Protection against osmotic lyses is provided by:
A) lysosomes
B) the cellular plasma membrane
C) the cell's capsule
D) the cell wall
the cell wall
Name associated with the presense of a cell wall and a capsule together in a
bacterial cell wall:
A) the envelope
,B) the capsule
C) the cytoplasmic membrane D) the cell wall
the envelope
Which of the following is true about the lag phase:
A) cells adapt to a new medium B) in some cases it may be very short
C) cells replenish spent materials
D) all of the above
all of the above
A student is asked by the professor to sub-culture a bacterial organism onto fresh
media for future studies. However during sub-culturing the students lock the test
tube preventing oxygen flow into the media. After days the culture dyes. What type
of culture did the student have at hand:
A) obligate aerobe
B) strict anaerobe
C) facultative anaerobe
D) none of the above
obligate aerobe
Staining procedure designed for bacterial families with high lipid content and
resistant to standard staining:
A) gram stain
B) negative staining
C) acid fast staining
D) simple stain
acid fast staining
Which of the following is not considered a starvation response?
A) endospore formation
B) synthesis of starvation proteins
C) cell death at a logrtihmic rate D) a decrease in cellular size and nucleoid
condensation
cell death at a logrtihmic rate
Organelle responsible for the synthesis of protein in a eukaryotic cell:
A) the smooth ER
,B) the rough ER
C) the Golgi complex
D) the nucleus
the rough ER
Which of the following is the most important structure related to microbial
attachment to cells? A) flagellum
B) plasmid
C) peptidoglycan
D) glycocalix
glycocalix
Which of the following statement(s) is/are correct when comparing prokaryotic
and eukaryotic genome?
A) bacteria mostly have one circular DNA molecule
B) Eukaryotes have linear DNA C) Both A and B
D) None of the above
Both A and B
___________ membranes allow some molecules to pass but not all.
A) Permeable
B) Inverted Membrane
C) Selectively Membrane
D) Impermeable
Selectively Membrane
The ribosome binding site
A) forms a stem-loop structure in the RNA
B) is located upstream of the promoter sequence
C) is located immediately upstream of the start codon
D) is more likely to be associated with an operon than with a gene encoding a
single protein
is located immediately upstream of the start codon
The nucleus of a eukaryote does not contain
A) nuclear membrane
B) nucleoid
, C) nuclear pores
D) nucleolus
nucleoid
The protein coat and lipid envelopes are components that help to protect the viral
A) capsid
B) genome
C) tegument
D) spikes
genome
Which of the following helps protect bacteria from lysis in dilute solution and
helps to determine cellular morphology?
A) plasma membrane
B) capsule
C) gas vacuoles
D) cell wall
cell wall
Chapter 35 Questions Parasite are organisms that
A. Live in a host
B. Depend metabolically on the host
C. Can cause disease
D. All of the above
All of the above
Opportunistic pathogens are different from primary pathogens because
A. Opportunistic pathogens causes disease by direct interaction with the healthy
host
B. Opportunistic pathogens are part of a normal flora that can causes disease when
it gains access to other sites or the host is immunocompromised
C. There are no differences between primary and opportunistic pathogens
D. Primary pathogens only cause disease in an immunocompromised host
Opportunistic pathogens are part of a normal flora that can causes disease when it
gains access to other sites or the host is immunocompromised
TEST BANK|
COMPREHENSIVE
SOLUTIONS 2022-2023
Penicillin controls bacterial growth by:
A) preventing synthesis of the lipopolysaccharide layer
B) inhibiting protein synthesis
C) preventing cross-link formation in peptidoglycan
D) preventing generation of the proton motive force
preventing cross-link formation in peptidoglycan
Reproduction via binary fission leads to what type of growth under optimal
conditions:
A) linear
B) mixed
C) exponential
D) uptake-limited
exponential
Protection against osmotic lyses is provided by:
A) lysosomes
B) the cellular plasma membrane
C) the cell's capsule
D) the cell wall
the cell wall
Name associated with the presense of a cell wall and a capsule together in a
bacterial cell wall:
A) the envelope
,B) the capsule
C) the cytoplasmic membrane D) the cell wall
the envelope
Which of the following is true about the lag phase:
A) cells adapt to a new medium B) in some cases it may be very short
C) cells replenish spent materials
D) all of the above
all of the above
A student is asked by the professor to sub-culture a bacterial organism onto fresh
media for future studies. However during sub-culturing the students lock the test
tube preventing oxygen flow into the media. After days the culture dyes. What type
of culture did the student have at hand:
A) obligate aerobe
B) strict anaerobe
C) facultative anaerobe
D) none of the above
obligate aerobe
Staining procedure designed for bacterial families with high lipid content and
resistant to standard staining:
A) gram stain
B) negative staining
C) acid fast staining
D) simple stain
acid fast staining
Which of the following is not considered a starvation response?
A) endospore formation
B) synthesis of starvation proteins
C) cell death at a logrtihmic rate D) a decrease in cellular size and nucleoid
condensation
cell death at a logrtihmic rate
Organelle responsible for the synthesis of protein in a eukaryotic cell:
A) the smooth ER
,B) the rough ER
C) the Golgi complex
D) the nucleus
the rough ER
Which of the following is the most important structure related to microbial
attachment to cells? A) flagellum
B) plasmid
C) peptidoglycan
D) glycocalix
glycocalix
Which of the following statement(s) is/are correct when comparing prokaryotic
and eukaryotic genome?
A) bacteria mostly have one circular DNA molecule
B) Eukaryotes have linear DNA C) Both A and B
D) None of the above
Both A and B
___________ membranes allow some molecules to pass but not all.
A) Permeable
B) Inverted Membrane
C) Selectively Membrane
D) Impermeable
Selectively Membrane
The ribosome binding site
A) forms a stem-loop structure in the RNA
B) is located upstream of the promoter sequence
C) is located immediately upstream of the start codon
D) is more likely to be associated with an operon than with a gene encoding a
single protein
is located immediately upstream of the start codon
The nucleus of a eukaryote does not contain
A) nuclear membrane
B) nucleoid
, C) nuclear pores
D) nucleolus
nucleoid
The protein coat and lipid envelopes are components that help to protect the viral
A) capsid
B) genome
C) tegument
D) spikes
genome
Which of the following helps protect bacteria from lysis in dilute solution and
helps to determine cellular morphology?
A) plasma membrane
B) capsule
C) gas vacuoles
D) cell wall
cell wall
Chapter 35 Questions Parasite are organisms that
A. Live in a host
B. Depend metabolically on the host
C. Can cause disease
D. All of the above
All of the above
Opportunistic pathogens are different from primary pathogens because
A. Opportunistic pathogens causes disease by direct interaction with the healthy
host
B. Opportunistic pathogens are part of a normal flora that can causes disease when
it gains access to other sites or the host is immunocompromised
C. There are no differences between primary and opportunistic pathogens
D. Primary pathogens only cause disease in an immunocompromised host
Opportunistic pathogens are part of a normal flora that can causes disease when it
gains access to other sites or the host is immunocompromised
