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Genetics of Virus

Genetcis of Virus

QuestionAnswer
Virus parasite that can live ONLY indise a host cell, uses holst cell to transcribe and translate proteins to reproduce
Main structre of Virus DNA or RNA enclosed in a protein coat called a capsid
viral envelope specialized structure derived from membranes of host cells. Encloses capsid, aids in infecting host
viral specific receptors locaated on cell surface, reason for virus only being able to infect one type of cell
bacteriophage virus that infects bacteria
lytic cycle phage enters host cell, repliactes, causes cell to burst
Lysogenic cycle phage enters host cell, incorporates into a specific site in host's DNA, does not destroy host, phage replicates w. host cell
Retrovirus contain RNA instead of DNA, RNA serves as template for synthesis of complementary DNA(reverse transcription)
reverse transcriptase enzyme that directs synthesis of DNA in retrovirus
prophage a stable, inherited form of bacteriophage in which the genetic material of the virus is integrated into, replicated, and expressed with the genetic material of the bacterial host.
transduction process by which a phage virus aquires bits of bacterial DNA as they infect a series of bacteria, leads to genetic recombination
Created by: adcteacher
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