#1
Which of the following stages involves the release of mature viral particles from the host cell?
Attachment
Penetration
Maturation
Release
#2
Which viral life cycle stage involves the injection of viral genome into the host cell?
Attachment
Penetration
Transcription
Assembly
#3
What is the primary function of the viral protein coat or capsid?
To protect the viral genome
To inject viral DNA into the host cell
To facilitate viral replication
To release mature virions from the host cell
#4
Which of the following is NOT a mechanism of viral entry into host cells?
Endocytosis
Fusion with host cell membrane
Pinocytosis
Exocytosis
#5
Which stage of the viral life cycle involves the synthesis of viral proteins using host cell machinery?
Attachment
Transcription
Translation
Maturation
#6
What occurs during the integration stage of the viral life cycle in a lysogenic infection?
Viral DNA is incorporated into the host genome
Viral particles are released from the host cell
Viral genome replication takes place
Host cell lysis occurs
#7
Which enzyme is responsible for the synthesis of DNA from an RNA template in retroviruses?
DNA polymerase
Reverse transcriptase
RNA polymerase
Ligase
#8
During the eclipse phase of the viral life cycle, what is happening to viral particles?
They are being released from the host cell
They are being assembled within the host cell
They are infecting neighboring cells
They are not detectable within the host cell
#9
In which type of viral replication cycle does the host cell remain viable after viral release?
Lyric cycle
Lysogenic cycle
Both A and B
None of the above
#10
During which stage of the viral life cycle does the viral genome integrate into the host cell's DNA in a lysogenic infection?
Attachment
Penetration
Integration
Maturation
#11
During which stage of the viral life cycle do newly synthesized viral components assemble to form mature virions?
Replication
Integration
Assembly
Maturation
#12
What is the function of the viral enzyme neuraminidase?
Facilitates viral entry into host cells
Helps in viral genome replication
Assists in viral assembly
Promotes the release of virions from infected cells
#13
What is the role of the viral protein hemagglutinin during the viral life cycle?
Facilitates attachment to host cells
Assists in viral genome replication
Cleaves host cell membrane
Promotes the release of mature virions
#14
What is the significance of the latency stage in the viral life cycle?
It allows the virus to evade host immune responses
It facilitates viral genome replication
It promotes the release of mature virions
It aids in viral entry into host cells
#15
What is the role of the viral enzyme DNA polymerase during the viral life cycle?
Facilitates attachment to host cells
Assists in viral genome replication
Cleaves viral proteins
Promotes the release of mature virions