TEST BANK for Auditing A Practical Approach
13TH EDITION UPDATED VERSION QUESTIONS AND
CORRECT ANSWERS A+
What is not an adaptation of thermophiles?
A. More H bonds
B. More proline
C. More cysteine
D. More chaperones - CORRECT ANSWER More cysteine
Which is matched incorrectly?
A. Viruses - protein ad nucleic acid
B. Viroids - only RNA
C. Satellites - only nucleic acids
D. Prions - only nucleic acids - CORRECT ANSWER Prions - only nucleic acids
True or False: Viruses can reproduce independent of living cells and carry out cell division -
CORRECT ANSWER False
Capsids
A. Are large macromolecular structures which serve as protein coats of viruses
B. Are made of subunits called protomers
C. Can be helical, icosahedral, or complex
D. All of the above - CORRECT ANSWER All of the above
,True or false: animal virus envelopes usually arise from host cell plasma or nuclear membranes.
- CORRECT ANSWER True
Envelop proteins may project from the envelope surface as spikes or peplomers. This can be
useful for?
A. Preventing identification of the virus
B. Helping identify the virus
C. A role in protein replication
D. Has no reason at all - CORRECT ANSWER Helping identify the virus
True or False: the Viral genome is only circular. - CORRECT ANSWER False
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 - CORRECT ANSWER 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 - CORRECT ANSWER exponential
,Protection against osmotic lyses is provided by:
A) lysosomes
B) the cellular plasma membrane
C) the cell's capsule
D) the cell wall - CORRECT ANSWER 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 - CORRECT ANSWER 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 - CORRECT ANSWER 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 - CORRECT ANSWER 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 - CORRECT ANSWER 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 -
CORRECT ANSWER 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 - CORRECT ANSWER 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 - CORRECT ANSWER 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
13TH EDITION UPDATED VERSION QUESTIONS AND
CORRECT ANSWERS A+
What is not an adaptation of thermophiles?
A. More H bonds
B. More proline
C. More cysteine
D. More chaperones - CORRECT ANSWER More cysteine
Which is matched incorrectly?
A. Viruses - protein ad nucleic acid
B. Viroids - only RNA
C. Satellites - only nucleic acids
D. Prions - only nucleic acids - CORRECT ANSWER Prions - only nucleic acids
True or False: Viruses can reproduce independent of living cells and carry out cell division -
CORRECT ANSWER False
Capsids
A. Are large macromolecular structures which serve as protein coats of viruses
B. Are made of subunits called protomers
C. Can be helical, icosahedral, or complex
D. All of the above - CORRECT ANSWER All of the above
,True or false: animal virus envelopes usually arise from host cell plasma or nuclear membranes.
- CORRECT ANSWER True
Envelop proteins may project from the envelope surface as spikes or peplomers. This can be
useful for?
A. Preventing identification of the virus
B. Helping identify the virus
C. A role in protein replication
D. Has no reason at all - CORRECT ANSWER Helping identify the virus
True or False: the Viral genome is only circular. - CORRECT ANSWER False
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 - CORRECT ANSWER 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 - CORRECT ANSWER exponential
,Protection against osmotic lyses is provided by:
A) lysosomes
B) the cellular plasma membrane
C) the cell's capsule
D) the cell wall - CORRECT ANSWER 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 - CORRECT ANSWER 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 - CORRECT ANSWER 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 - CORRECT ANSWER 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 - CORRECT ANSWER 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 -
CORRECT ANSWER 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 - CORRECT ANSWER 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 - CORRECT ANSWER 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
