MICROBIO EXAM 3- YOHANNES MEHARI
UPDATED ACTUAL QUESTIONS WITH CORRECT
ANSWERS
Question 1.
T/F: transcription tion uses a DNA template
ANSWER
uses an RNA template while replica- false
Question 2.
all of the following ria EXCEPT
ANSWER
are true about archaea and bacte- both are equally affected by RNA synthesis inhibitors
Question 3.
you isolate a piece cultivated from your in size and circular. contains genes for is this piece of DNA?
ANSWER
of DNA from a microorganism you plasmid teeth. the piece of DNA is 94 kbp you sequence it
and discover that it pili, and antibiotic resistance. what
Question 4.
negative supercoiling duced by these enzymes by antibiotics called
ANSWER
in bacteria is typically intro- gyrases and are commonly inhibited Quinolones
Question 5.
fredrick griffith used diated transformation
ANSWER
this organism to study DNA-me- streptococcus pneumoniae
,Question 6.
which of the following
ANSWER
pairs is mismatched? RNA polymerase - makes a molecule of RNA from an RNA template
Question 7.
genetic change in of the following EXCEPT
ANSWER
bacteria can be brought about by all replication
Question 8.
all of the following genomes, EXCEPT
ANSWER
are TRUE about eukaryotes eukaryote genome contain only chromosome DNA
Question 9.
T/F: RNA primer is of plasmid
ANSWER
required in rolling circle replication true
Question 10.
which of the following cation and plasmid
ANSWER
about chromosomal DNA repli- only chromosomal DNA rolling circle replication is TRUE
replication involves Okazaki fragments
Question 11.
all of the following terial DNA replication
ANSWER
are enzymes involved during bac- sigma factor EXCEPT
, Question 12.
T/F: both leading to 5' to 3' direction
ANSWER
and lagging strands are synthesized true
Question 13.
which of the following termination?
ANSWER
is involved in E. coli replication tus protein
Question 14.
image below represents does the structure
ANSWER
bacterial replication. what DNA polymerase III labelled "A" represent?
Question 15.
image below represents does the structure
ANSWER
bacterial replication. what helicase labelled "B" represent?
Question 16.
which of the following
ANSWER
is NOT TRUE about PCR? it involves okazaki fragments
Question 17.
which of the following correct order?
ANSWER
PCR procedures are listed in denaturing, annealing, extension
UPDATED ACTUAL QUESTIONS WITH CORRECT
ANSWERS
Question 1.
T/F: transcription tion uses a DNA template
ANSWER
uses an RNA template while replica- false
Question 2.
all of the following ria EXCEPT
ANSWER
are true about archaea and bacte- both are equally affected by RNA synthesis inhibitors
Question 3.
you isolate a piece cultivated from your in size and circular. contains genes for is this piece of DNA?
ANSWER
of DNA from a microorganism you plasmid teeth. the piece of DNA is 94 kbp you sequence it
and discover that it pili, and antibiotic resistance. what
Question 4.
negative supercoiling duced by these enzymes by antibiotics called
ANSWER
in bacteria is typically intro- gyrases and are commonly inhibited Quinolones
Question 5.
fredrick griffith used diated transformation
ANSWER
this organism to study DNA-me- streptococcus pneumoniae
,Question 6.
which of the following
ANSWER
pairs is mismatched? RNA polymerase - makes a molecule of RNA from an RNA template
Question 7.
genetic change in of the following EXCEPT
ANSWER
bacteria can be brought about by all replication
Question 8.
all of the following genomes, EXCEPT
ANSWER
are TRUE about eukaryotes eukaryote genome contain only chromosome DNA
Question 9.
T/F: RNA primer is of plasmid
ANSWER
required in rolling circle replication true
Question 10.
which of the following cation and plasmid
ANSWER
about chromosomal DNA repli- only chromosomal DNA rolling circle replication is TRUE
replication involves Okazaki fragments
Question 11.
all of the following terial DNA replication
ANSWER
are enzymes involved during bac- sigma factor EXCEPT
, Question 12.
T/F: both leading to 5' to 3' direction
ANSWER
and lagging strands are synthesized true
Question 13.
which of the following termination?
ANSWER
is involved in E. coli replication tus protein
Question 14.
image below represents does the structure
ANSWER
bacterial replication. what DNA polymerase III labelled "A" represent?
Question 15.
image below represents does the structure
ANSWER
bacterial replication. what helicase labelled "B" represent?
Question 16.
which of the following
ANSWER
is NOT TRUE about PCR? it involves okazaki fragments
Question 17.
which of the following correct order?
ANSWER
PCR procedures are listed in denaturing, annealing, extension
