Page 1 of 320
WESTCOTT MICROBIO FINAL EXAM A&B WITH ALL 600
QUESTIONS AND CORRECT DETAILED SOLUTIONS LATEST
UPDATE JUST RELEASED THIS YEAR
.
Question: A virus obtains its envelope during which of the following phases?
attachment
penetration
assembly
release - CORRECT ANSWER✔✔release
Question: Which of the following components is brought into a cell by HIV?
a DNA-dependent DNA polymerase
RNA polymerase
ribosome
reverse transcriptase - CORRECT ANSWER✔✔reverse transcriptase
, Page 2 of 320
Question: A positive-strand RNA virus:
must first be converted to a mRNA before it can be translated.
can be used directly to translate viral proteins.
will be degraded by host enzymes.
is not recognized by host ribosomes. - CORRECT ANSWER✔✔can be used directly to translate
viral proteins.
Question: What is the name for the transfer of genetic information from one bacterium to
another bacterium by a phage?
transduction
penetration
excision
translation - CORRECT ANSWER✔✔transduction
Question: Which of the followings cannot be used to culture viruses?
tissue culture
liquid medium only
, Page 3 of 320
embryo
animal host - CORRECT ANSWER✔✔liquid medium only
Question: Which of the following tests can be used to detect the presence of a specific virus?
EIA
RT-PCR
PCR
all of the above - CORRECT ANSWER✔✔all of the above
Question: Which of the following is NOT a cytopathic effect?
transformation
cell fusion
mononucleated cell
inclusion bodies - CORRECT ANSWER✔✔mononucleated cell
Question: Which of these infectious agents do not have nucleic acid?
, Page 4 of 320
viroids
viruses
bacteria
prions - CORRECT ANSWER✔✔prions
Q:Which of the following does a virus lack? Select all that apply.
ribosomes
metabolic processes
nucleic acid
glycoprotein - CORRECT ANSWER✔✔ribosomes + metabolic processes
Question: The envelope of a virus is derived from the host's
nucleic acids
membrane structures
cytoplasm
genome - CORRECT ANSWER✔✔membrane structures
WESTCOTT MICROBIO FINAL EXAM A&B WITH ALL 600
QUESTIONS AND CORRECT DETAILED SOLUTIONS LATEST
UPDATE JUST RELEASED THIS YEAR
.
Question: A virus obtains its envelope during which of the following phases?
attachment
penetration
assembly
release - CORRECT ANSWER✔✔release
Question: Which of the following components is brought into a cell by HIV?
a DNA-dependent DNA polymerase
RNA polymerase
ribosome
reverse transcriptase - CORRECT ANSWER✔✔reverse transcriptase
, Page 2 of 320
Question: A positive-strand RNA virus:
must first be converted to a mRNA before it can be translated.
can be used directly to translate viral proteins.
will be degraded by host enzymes.
is not recognized by host ribosomes. - CORRECT ANSWER✔✔can be used directly to translate
viral proteins.
Question: What is the name for the transfer of genetic information from one bacterium to
another bacterium by a phage?
transduction
penetration
excision
translation - CORRECT ANSWER✔✔transduction
Question: Which of the followings cannot be used to culture viruses?
tissue culture
liquid medium only
, Page 3 of 320
embryo
animal host - CORRECT ANSWER✔✔liquid medium only
Question: Which of the following tests can be used to detect the presence of a specific virus?
EIA
RT-PCR
PCR
all of the above - CORRECT ANSWER✔✔all of the above
Question: Which of the following is NOT a cytopathic effect?
transformation
cell fusion
mononucleated cell
inclusion bodies - CORRECT ANSWER✔✔mononucleated cell
Question: Which of these infectious agents do not have nucleic acid?
, Page 4 of 320
viroids
viruses
bacteria
prions - CORRECT ANSWER✔✔prions
Q:Which of the following does a virus lack? Select all that apply.
ribosomes
metabolic processes
nucleic acid
glycoprotein - CORRECT ANSWER✔✔ribosomes + metabolic processes
Question: The envelope of a virus is derived from the host's
nucleic acids
membrane structures
cytoplasm
genome - CORRECT ANSWER✔✔membrane structures
