MCB 150 Final Exam (Exam 4) Questions With Complete
Solutions
budding
enveloped viruses leave the cell during the release phase via
____ of the call wall
fusion, endocytosis
what are the two ways an enveloped virus can enter a cell?
fusion
viral membranes fuse with animal membranes, then becoming
the new overall membrane and allowing the viral capsid into the
cell in _______
endocytosis
process by which a cell takes material into the cell by infolding
of the cell membrane
lytic
viruses are immediately reproduced then released from a cell in
the _____ pathway
virulent
what type of phage follows only the lytic pathway
temperate
what type of phage can follow either the lytic or lysogenic
pathway
,lysogenic
a phage that has a period of dormancy before its replication
follows the ____ pathway
transcription
translation
replication
translation
assembly
release
what are the 6 steps of the virulent, T4 phage replicative cycle
bacteriophage lambda
what phage is the example of a temperate virus which we have
studied
retrovirus
what type of virus is HIV
specific binding
reverse transcriptase activity
integrase splicing
translation
protease cleaving
assembly
budding
what are the 7 steps of HIV replication
NLS (nuclear localization signal)
, HIV Integrase evolved a ____ which allows the viral DNA to
enter the nucleus
integrase
HIV ____ splices viral DNA into host DNA
reverse transcriptase
____ turns retrovirus' single stranded RNA into double stranded
DNA
protease
_____ cleaves new HIV polyproteins into individual proteins
plasmids
extrachromosomal molecules of circular, double-stranded DNA
are called _____
conjugation
plasmids can be passed between viruses via _____
vector
modified plasmids that are used as transport molecules to move
DNA between cells are called ____
endonucleases
vectors use ____ to open circular DNA, insert new fragment of
DNA, then reclose the circle with ligase
ligase
vectors use endonucleases to open circular DNA, insert new
fragment of DNA, then reclose the circle with ____
Solutions
budding
enveloped viruses leave the cell during the release phase via
____ of the call wall
fusion, endocytosis
what are the two ways an enveloped virus can enter a cell?
fusion
viral membranes fuse with animal membranes, then becoming
the new overall membrane and allowing the viral capsid into the
cell in _______
endocytosis
process by which a cell takes material into the cell by infolding
of the cell membrane
lytic
viruses are immediately reproduced then released from a cell in
the _____ pathway
virulent
what type of phage follows only the lytic pathway
temperate
what type of phage can follow either the lytic or lysogenic
pathway
,lysogenic
a phage that has a period of dormancy before its replication
follows the ____ pathway
transcription
translation
replication
translation
assembly
release
what are the 6 steps of the virulent, T4 phage replicative cycle
bacteriophage lambda
what phage is the example of a temperate virus which we have
studied
retrovirus
what type of virus is HIV
specific binding
reverse transcriptase activity
integrase splicing
translation
protease cleaving
assembly
budding
what are the 7 steps of HIV replication
NLS (nuclear localization signal)
, HIV Integrase evolved a ____ which allows the viral DNA to
enter the nucleus
integrase
HIV ____ splices viral DNA into host DNA
reverse transcriptase
____ turns retrovirus' single stranded RNA into double stranded
DNA
protease
_____ cleaves new HIV polyproteins into individual proteins
plasmids
extrachromosomal molecules of circular, double-stranded DNA
are called _____
conjugation
plasmids can be passed between viruses via _____
vector
modified plasmids that are used as transport molecules to move
DNA between cells are called ____
endonucleases
vectors use ____ to open circular DNA, insert new fragment of
DNA, then reclose the circle with ligase
ligase
vectors use endonucleases to open circular DNA, insert new
fragment of DNA, then reclose the circle with ____
