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Stack #73996

Virusa non-living particle
What is virology? study of viruses.
capsid the protein coat surrounding the nucleic acid in a virus
virology the study of viruses
virus shape icosehedron and helix
envelope a membrane-like structure outside the capsid of a virus
examples of enveloped viruses influenza, chickenpox, herpes and HIV
How are viruses grouped? According to their shape and structure
retrovirus A RNA virus containing an enzyme called reverse transcriptase in addition to RNA
Reverse transcriptase Uses RNA as a template to make DNA
Viroids Disease-causing agents without a capsid
Prions Abnormal forms of proteins that clump together in a cell
Bacteriophage Viruses that infect bacteria
most commonly studied bacteriophages T phages
Parts of the capsid Head Collar and Sheth
Parts of the tail Sheath and fibers
lytic cycle virus invades host, produces new viruses, destroys host, releases new viruses.
virulent disease-causing
Receptor sites specific sites that viruses recognize and attach to
lysogenic cycle viruses the cycle in which a virus stays in host an extended period of time
temperate virus does not kill the host cell immediately
lysis cell disinegration
Created by: dsmillie
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