BIO1221: General Microbiology - Viruses, Viroids, and Prions

These flashcards cover key concepts related to viruses, viroids, and prions as discussed in the lecture.

Viruses are __ intracellular parasites that require a host to reproduce.

obligate

A __ is a complete, fully developed viral particle consisting of a nucleic acid and a protein coat.

virion

Viral genomes can be either or .

DNA; RNA

The __ classification system categorizes viruses based on their nucleic acid and how their mRNA is produced.

Baltimore

Bacteriophages must be cultivated in __ cells for effective growth.

living

A __ infection occurs gradually over a long period and is generally fatal.

persistent viral

Prions are infectious particles composed of __.

protein

Animal viruses enter host cells primarily through __ or fusion with the plasma membrane.

receptor-mediated endocytosis

The __ cycle involves the incorporation of phage DNA into the host's DNA without cell lysis.

lysogenic

Viroids are short pieces of __ RNA that can cause disease in plants.

naked