Test 1 - Introduction to Virology (1) Flashcards
Virology
The study of viruses and viral diseases.
Virologist
Someone who studies Viruses.
TRUE/FALSE
Viruses are non-living entities and obligate intracellular obligates since they do not possess their own machinery necessary for replication.
TRUE.
Virion
A complete virus particle that consists of an RNA or DNA core with a protein coat sometimes with external envelopes and that is the extracellular infective form of a virus.
Virus
Virus is a broad general terminology used to describe any aspect of the infectious agent and includes: the infectious (Virion) or inactivated virus particle, or viral nucleic acid and protein in the infected cell.
Viroid
An infectious particle smaller than any of the known viruses, an agent of certain plant diseases. The particle consists only of an extremely small circular RNA (ribonucleic acid) molecule, lacking the protein coat of a virus.
Variolation, a 15th century Chinese immunization method involved which virus?
Small pox (Variola)
Edward Jenner inoculated a healthy child with ________ to protect against _______.
Cowpox matter
Small pox
________ injected dried, potassium hydroxide treated, infected rabbit brain material in two boys bitten by rabid dogs and both of them recovered.
Louis Pasteur
What filter has pores smaller than bacteria?
Chamberland filter
Martinus Beijerinck called this filtered, infectious substance a “virus” and this discovery is considered to be the beginning of virology. What virus was this?
Tobacco Mosaic Virus
Friedrich Loeffler (1852–1915) and Paul Frosch (1860–1928) passed the first animal virus through a similar filter. What virus was this?
Foot and Mouth Disease Virus
Dr. Walter Reed, became known inter- nationally for his discovery that _______ was spread through mosquito.
yellow fever
What was the first oncognic virus to be discovered?
Rous sarcoma virus
What virus has been completely eradicated?
Rinderpest
