140 likes | 338 Views
Virus Lecture . Virus . The nonliving Undead. Virus Characteristics. About as big as a protein Basic Virus Anatomy outer protein coat Inner core of nucleic acid . Viruses cannot reproduce on their own . Kinds of Viruses:.
E N D
Virus • The nonliving Undead
Virus Characteristics • About as big as a protein • Basic Virus Anatomy • outer protein coat • Inner core of nucleic acid
Kinds of Viruses: • -Viruses cannot be stopped using antibiotics because they are non-living particles!
Virus reproduction • They cannot reproduce outside of a living cell! • Host specific • Rabbit viruses only infect specific rabbit spp • HIV only infects certain white blood cells • They cannot reproduce outside of a living cell!
Virus Reproduction • 1.) attach to host cell • 2.) viral DNA or RNA enters cell • 3.) viral DNA or RNA codes for proteins and enzymes of the virus
LyticvsLysogenic • Lysogenic – latent period – not actively producing viruses • Lytic – producing more viruses… like crazy!
Retrovirus • Viruses that carry RNA • Also have enzyme called reverse transcriptase • RNA DNA, • Than DNA is incorporated into host’s DNA,
Prions… yikes! • Verdi Is our favorite! • -Jon