Intro to Virology Flashcards
What is virology?
Study of viruses and viral diseases
What is a virologist?
Someone who studies viruses
What is veterinary virology?
Study of viruses in non-human animals
Viruses cause high rates of ______ and ______ in animals and birds
Mortality & Morbidity
T/F: Viral diseases in animals and birds cause financial losses to livestock and poultry industries, hampering economic development of a country
True
Viruses are _______ entities
Non-living
Viruses contain DNA or RNA surrounded by what?
A protein coat
T/F: Viruses possess standard cellular organelles
False
Can viruses make energy or protein by themselves?
No, they rely on a host cell
T/F: All viruses are obligate intracellular parasites
True
Do viruses have the genetic capability to multiply by division?
No, virus reproduction resembles resembles an assembly line
What is the difference between a virus and a virion?
A virus is a broad general term, while a virion is a complete virus particle that consists of RNA or DNA core with a protein coat
What is a viroid?
An infectious particle smaller than any of the known viruses
Who invented vaccination?
Edward Jenner
What did Edward Jenner inoculate into the arm of a healthy 8 year old boy?
Cowpox matter
Who injected dried, potassium hydroxide treated w/infected rabbit brain material in two boys bitten by a rabid dog?
Louis Pasteur
What filter pioneered the discovery of viruses that was used in the famous tobacco mosaic virus experiment?
Chamberland filter
Who preformed the famous tobacco mosaic virus experiment?
Dmitri Ivanovski
Friedrich Loeffler and Paul Frosch discovered what disease?
Foot and mouth disease
Dr. Walter Reed discovered that yellow fever was transmitted through what?
Mosquitoes
Who isolated the first tumor-causing animal virus?
Peyton Rous (Rous sarcoma virus)
Ernst Ruska and Max Knoll invented what type of microscope?
Electron Microscope
What did Goodpasture and Burnt propagate a fowl pox virus in, successfully?
Embryonated egg
Who cultured the first eukaryotic cells, mammalian cells?
Sanford, et al.
Who grew poliovirus in a cell culture?
Ender, et al.
Dulbecco and Vogt did what kind of assay for the first animal virus-poliovirus?
Plaque assay
Which animal disease is the only one declared globally eradicated?
Rinderpest