Virus Classification and Components Quiz

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Questions and Answers

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. Signup and view all the answers

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. Signup and view all the answers

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

Epitope Signup and view all the answers

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

Viral envelope Signup and view all the answers

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

Enveloped viruses Signup and view all the answers

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

Viral genome (nucleic acid) Signup and view all the answers

Who determines what to name and where to classify viruses?

The International Committee on Taxonomy of Viruses (ICTV) Signup and view all the answers