New pathogens, especially influenza viruses, may emerge when many species of farm animal are reared together, allowing, for example, genetic recombination between pig and duck viruses.
Definition
True
Term
In the lytic pathway of viral infection of host cells, the host cell ruptures to release the newly-formed viral particles.
Definition
True
Term
In the lysogenic pathway of viral infection, viruses may propagate within the host cells, without causing the cell to die for a relatively long time
Definition
True
Term
West Nile virus is transmitted to humans when humans eat undercooked meat
Definition
False
Term
Some viruses contain DNA as their hereditary material; other types contain RNA
Definition
True
Term
The primary vector of the West Nile Virus is the mosquito
Definition
True
Term
Which of the following is an important difference between viruses and bacteria?
Definition
Term
It is impossible to completely eliminate all pathogens, because new ones are constantly evolving
Definition
True
Term
Prions are non-living infectious proteins without any hereditary material.
Definition
True
Term
Which of the following is thought to be the cause of mad cow disease (BSE, or Bovine Spongiform Encephalopathy)as well as scrapie and Kuru
