Test 1 Chapter 6 Flashcards
What are the 5 stages of the lytic cycle, in order?
attachment, penetration, biosynthesis, maturation, lysis
Which of the following is non-self-replicating RNA?
Virusoids
Which of the following causes polio?
Enterovirus C.
All viruses are obligate intracellular parasites? T/F
True, Cannot reproduce outside a host cell, rely entirely on intracellular resources
The viral genome is ____.
DNA or RNA
A phage transferring DNA from one bacterium to another is _____.
Transduction
Which of the following causes latent infections?
Herpesviridae
Which of the following best describes viroids?
short strand of circular RNA capable of self-replication
A chronic infection is a disease with signs or symptoms present over a
long time. T/F
True
Hepatitis B virus _____.
is a helper virus for hepatitis delta virus
Fomites are inanimate objects. T/F
True. Inanimate objects that are vectors for a disease.
Which of the following has a ssDNA genome and is
nonenveloped?
poliovirus. Enterovirus C.
What animal were prions first discovered in?
Sheep
What is the most contagious virus for humans?
Measles Virus
Which of the following diseases is associated with ritualistic
cannibalism?
Kuru
Which of the following is NOT true of viruses?
they are infectious cellular pathogens
In retroviruses, the integrated phage genome is a _____.
Provirus. A virus genome that is integrated into the DNA of the host cell.
Which of the following is a novel enzyme found in retroviruses?
reverse transcriptase
Which of the following have no nucleic acid?
Prions.
Which of the following has a dsDNA genome and is
nonenveloped?
Human Papilloma Virus (HPV)
Which of the following is true about Ebola virus?
it is a member of the Filoviridae family.
Which of the following is true of viroids?
they are circular RNA
Which of the following is transmitted by the fecal-oral route?
Polio
Varicella-zoster virus is a member of the Herpesviridae family. T/F
True
Which of the following allows an animal virus to attach to the
host cell?
Spikes
Which of the following causes chickenpox?
Varicella-zoster virus
