Viruses Flashcards
Define viruses
An infectious, obligate intercellular parasite comprising of genetic material, DNA or RNA, surrounded by a protein coat and/or an envelop derived from a host cell membrane
What is and indication of human migratory patterns?
Polyomavirus
When was the first virus discovered and by whom? What was it? How was it accomplished?
1892 by Ivanosky. The tobacco mosaic virus. It was accomplished by transmitting a disease to tobacco plants using a cell free filtrate of diseased leaves
Who gave the concept of bacterial pathology?
Koch
Name the viruses discovered from 1900 to 1930s
1901: Yellow fever virus
1903: Rabies virus
1906: Variola virus
1908: Chicken leukemia virus, Poliovirus
1911: Rous sarcoma virus
1915: Bacteriophage
1933: Influenza virus
By what ratio do viruses outnumber cellular life?
10:1
