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Ch. 24 Virus

QuestionAnswer
A nonliving, infectious particle composed of a nucleic acid and a protein coat; it can invade and destroy a cell and can only replicate inside the host's cell Virus
A protein sheath that surrounds the nucleic acid core in a virus Capsid
A membranelike layer that covers the capsids of some viruses Envelope
Viral DNA that has attached to a host cell's chromosome and that is replicated with the chromosome's DNA. Provirus
Contains the enzyme reverse transcriptase in addition to RNA. It reverses the normal process of transscription.(AIDS) Retrovirus
An enzyme that catalyzes the formation of DNA from an RNA template. Reverse Transcriptase
A virus that infects bacteria Bacteriophage
A method of viral replication that results in the destruction of a host cell and the release of many new virus particles. Lytic cycle
A microorganism that causes disease and that is highly infectious Virulent
The disintegration of a cell by disruption of the plasma membrane Lysis
A method of viral replication in which a viral genome is replicated as a provirus without destroying the host cell Lysogenic cycle
Any agent, such as a plasmid or a virus, that can incorporate foreign DNA and transfer from one organism to another. Vector
A disease that is caused by new or reappearing infectious agents that typically exist in animal populations. Emerging Disease
A virus that is not able to replicate in a host. Inactivated Virus
An infectious agent that is made up of a short, circular, single strand of RNA that does not have a capsid; the smallest known particle that is able to replicate. Viroid
Infectious protien particles that do not have a genome Prions
Created by: dltn_petrysz
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