Chapter 6/27 Keywords Flashcards
The transfer of a disease like cancer from one organ to another not directly connected with it
Metastasis
an outer membranous layer that surrounds the nucleocapsid in some viruses
Envelope
a bacteriophage that regularly causes lysis of the bacteria that it infects
Virulentphage
A clear area in a lawn of host cells that results from their lysis by viruses.
Plaque
A viral nucleic acid strand that is equivalent in base sequence to the viral mRNA
Plus Stand
Virus infection with a fairly rapid onset that last for a relatively short time
Acute Infection
the nucleic acid core and surrounding capsid of a virus
Nucleocapsid
obligate intracellular parasite
Virus
A virus life cycle that results in the lysis of the host cell
Lytic Cycle
Bacterial viruses that can establish a lysogenic relationship, rather than immediately lysing their hosts
Temperate Phage
The normal cellular form of a gene that when mutated or overexpressed results in or contributes to malignant transformation of a cell
Protoon Cogene
An infectious agent consisting only of protein
Prion
A viruse with an RNA genome that carries the enzyme reverse transcriptase and forms a DNA copy of the genome during their reproductive cycle
Retro Virus
The protein coat or shell that surrounds a virion’s nucleic acid
Capsid
A complete virus particle that represents the extracellular phase of the virus life cycle;
Virion
