#1
What is the primary function of the viral capsid?
To protect the viral genome
ExplanationCapsid protects viral genome.
#2
Which of the following is NOT a type of viral nucleic acid?
Protein
ExplanationProtein is not a type of viral nucleic acid.
#3
Which viral structure contains the viral genetic material?
Nucleocapsid
ExplanationNucleocapsid contains viral genetic material.
#4
Which of the following is a characteristic of bacteriophages?
They infect bacteria
ExplanationBacteriophages infect bacteria.
#5
Which of the following is a characteristic of naked viruses?
They lack a lipid bilayer
ExplanationNaked viruses lack a lipid bilayer.
#6
Which viral structure is responsible for attaching to host cell receptors?
Envelope
ExplanationEnvelope attaches to host cell receptors.
#7
Which type of virus relies on the host cell's RNA polymerase to replicate its genome?
Positive-sense RNA virus
ExplanationPositive-sense RNA virus relies on host cell's RNA polymerase.
#8
Which of the following is a characteristic feature of retroviruses?
Integration of viral genome into host DNA
ExplanationRetroviruses integrate viral genome into host DNA.
#9
What is the function of the viral matrix protein?
Mediation of viral entry into host cells
ExplanationViral matrix protein mediates viral entry into host cells.
#10
What is the function of viral glycoproteins?
Assist in host cell recognition and entry
ExplanationViral glycoproteins assist in host cell recognition and entry.
#11
Which viral structure is unique to enveloped viruses?
Envelope
ExplanationEnvelope is unique to enveloped viruses.
#12
Which enzyme do retroviruses use to convert RNA into DNA?
Reverse transcriptase
ExplanationRetroviruses use reverse transcriptase to convert RNA into DNA.
#13
What is the function of the viral envelope proteins?
Attachment to host cell receptors
ExplanationViral envelope proteins attach to host cell receptors.
#14
What is the role of the viral polymerase?
Generate mRNA from the viral genome
ExplanationViral polymerase generates mRNA from viral genome.
#15
Which viral structure is responsible for protecting the viral genome from host defenses?
Capsid
ExplanationCapsid protects viral genome from host defenses.