UIUC MCB 100 Lecture 19: Viruses
(Animal viruses / DNA Viruses)
Questions and Answers
B. Animal viruses and phage both use virus proteins to attach to host-cells by binding
host-cell receptors. ✅Which of the following statements about the attachment stage of
phage and animal viruses is correct?
A. Animal viruses and phage both have tail fibers that mediate attachment to host-cells.
B. Animal viruses and phage both use virus proteins to attach to host-cells by binding
host-cell receptors.
C. Animal viruses and phage both have glycoprotein spikes that mediate attachment to
host-cells.
D. Animal viruses use tail fibers to bind to host-cell receptors.
E. Phage use tail fibers to bind to glycoprotein spikes on host-cells.
B. Animal viruses and bacteriophage can both directly transfer their genomes into the
host cell cytoplasm without capsid uncoating ✅Which of the following statements
about bacteriophage and animal virus entry into a target cell is correct?
A. Animal viruses deliver their genomes into the host-cell cytoplasm during entry while
bacteriophages do not.
B. Animal viruses and bacteriophage can both directly transfer their genomes into the
host cell cytoplasm without capsid uncoating.
C. Animal viruses and bacteriophage both uncoat their capsids in the host cell
cytoplasm during entry.
D. Animal viruses undergo membrane fusion while bacteriophage undergo endocytosis
during entry.
E. Animal viruses undergo endocytosis while bacteriophage undergo membrane fusion
during entry.
C. 1 = Translation 2 = Replication 3 = Transcription ✅During the synthesis phase of a
double-stranded DNA animal virus depicted below, correctly name the host-cell
processes that are hijacked by the virus.
A. 1 = Transcription 2 = Replication 3 = Translation
B. 1 = Transcription 2 = Translation 3 = Replication
C. 1 = Translation 2 = Replication 3 = Transcription
D. 1 = Replication 2 = Translation 3 = Transcription
E. 1 = Translation 2 = Transmutation 3 = Transcription
(Animal viruses / DNA Viruses)
Questions and Answers
B. Animal viruses and phage both use virus proteins to attach to host-cells by binding
host-cell receptors. ✅Which of the following statements about the attachment stage of
phage and animal viruses is correct?
A. Animal viruses and phage both have tail fibers that mediate attachment to host-cells.
B. Animal viruses and phage both use virus proteins to attach to host-cells by binding
host-cell receptors.
C. Animal viruses and phage both have glycoprotein spikes that mediate attachment to
host-cells.
D. Animal viruses use tail fibers to bind to host-cell receptors.
E. Phage use tail fibers to bind to glycoprotein spikes on host-cells.
B. Animal viruses and bacteriophage can both directly transfer their genomes into the
host cell cytoplasm without capsid uncoating ✅Which of the following statements
about bacteriophage and animal virus entry into a target cell is correct?
A. Animal viruses deliver their genomes into the host-cell cytoplasm during entry while
bacteriophages do not.
B. Animal viruses and bacteriophage can both directly transfer their genomes into the
host cell cytoplasm without capsid uncoating.
C. Animal viruses and bacteriophage both uncoat their capsids in the host cell
cytoplasm during entry.
D. Animal viruses undergo membrane fusion while bacteriophage undergo endocytosis
during entry.
E. Animal viruses undergo endocytosis while bacteriophage undergo membrane fusion
during entry.
C. 1 = Translation 2 = Replication 3 = Transcription ✅During the synthesis phase of a
double-stranded DNA animal virus depicted below, correctly name the host-cell
processes that are hijacked by the virus.
A. 1 = Transcription 2 = Replication 3 = Translation
B. 1 = Transcription 2 = Translation 3 = Replication
C. 1 = Translation 2 = Replication 3 = Transcription
D. 1 = Replication 2 = Translation 3 = Transcription
E. 1 = Translation 2 = Transmutation 3 = Transcription
