DNA_Virology_Flashcards
What type of nucleic acid do viruses have?
DNA or RNA, not both, except for Mimivirus.
What is the size range of viruses?
20–300 nm.
What is the largest known virus?
Mimivirus.
What is the smallest DNA virus?
Parvovirus (18–25 nm).
What are the two main categories of dsDNA viruses?
Non-enveloped (e.g., Adenoviridae, Papillomaviridae, Polyomaviridae) and Enveloped (e.g., Herpesviridae, Poxviridae).
What is a unique feature of Hepatitis B virus (HBV)?
It is a partially double-stranded DNA virus classified under Group VII (Hepadnaviridae).
What is the example of ssDNA viruses?
Parvoviridae.
Where do most DNA viruses replicate?
In the nucleus, except Poxviridae, which replicates in the cytoplasm.
Which DNA viruses have circular DNA?
Papillomaviridae, Polyomaviridae, and Hepadnaviridae.
Which DNA virus has a complex capsid structure?
Poxviridae.
Which DNA viruses have linear DNA?
All DNA viruses except Papillomaviridae, Polyomaviridae, and Hepadnaviridae.
Which DNA viruses are non-enveloped?
Adenoviridae, Papillomaviridae, Polyomaviridae (all have icosahedral capsids).
Which DNA viruses are enveloped?
Herpesviridae, Poxviridae (helical symmetry).
What is the Baltimore classification for dsDNA viruses?
Group I.
What is the Baltimore classification for ssDNA viruses?
Group II.
