MIC 541-Exam 5-Virology I
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What are the major categories of Viruses?
RNA or DNA
What are the subcategories of both RNA and DNA viruses?
Enveloped or non-enveloped
What are the major categories of Enveloped and non-enveloped viruses?
- Double stranded
- Single stranded
- Reverse transcription Single stranded
What is a virion?
single virus particle
What is the term for a single virus particle?
What is a capsid?
A major protein component of the viral shell (surrounds the core)
What is a Nucleocapsid/Core?
Nucleic acid and surrounding protein shell
What is the name for t nucleic acid and surrounding protein shell in a virus?
What is a viral envelope?
Membrane surrounding vial core
What is the term for a membrane that surrounds the viral core?
What can viruses use as hosts?
What is the size range of viruses?
20 nm to 450 nm
What virus is 450 nm?
What virus is 20nm in diameter?
What are the replication cycles of viruses?
Cytoplasmic and nuclear or both
What are the different types of nucleic acid viruses?
- RNA or DNA
- SS or DS
- reverse or transcription
What are the various morphologies of Nucleocapsids?
What type of genomes can (not Nucleic acids) can a virus have?
How is host range determined for a virus?
- Host receptor availability
- Virus need s certain receptors for cell entry
- Presence of intracellular host cell factors
- to Support virus replication
What type of measurement is Host range?
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