Virus Classification and Components Quiz

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Define virus in the context of virology.

A virus is a submicroscopic infectious agent composed of a capsid, nucleic acid, and sometimes an envelope.

What are the components of a viral particle?

The components of a viral particle include the genome, capsid, and sometimes an envelope.

What is the concept of peplomer in virology?

A peplomer refers to the spikes on the surface of a virus, which are involved in attachment to host cells.

Explain the concept of epitope in the context of viruses.

An epitope is the specific part of an antigen that is recognized by the immune system, often corresponding to a specific region on a viral protein.

Identify the types of viral genomes and explain the difference between DNA and RNA viral families.

Viral genomes can be DNA or RNA, and may be segmented or non-segmented. DNA viral families replicate in the nucleus, while RNA viral families replicate in the cytoplasm.

What is the part of an antigen that is recognized by the immune system?

Epitope

What is the lipid bilayer that some viruses have and is derived from the host cell?

Viral envelope

What type of viruses are more sensitive to disinfectants and less resistant in the environment?

Enveloped viruses

What is the term for the genetic material of a virus, which can be DNA or RNA?

Viral genome (nucleic acid)

Who determines what to name and where to classify viruses?

The International Committee on Taxonomy of Viruses (ICTV)

Test your knowledge on the definition of virus, viral particle components, peplomer, epitope, and types of viral genomes including DNA, RNA, segmented or not. Learn about virus classification and the determining factors. This quiz covers Chapter 1 from Fenner's Veterinary Virology 2017.

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