Unit IX and X in Virology

Vaccines are important in preventing the spread of ______

Viroids are infectious agents composed solely of ______

Prions are misfolded proteins that can lead to ______ diseases

The study of viruses has contributed to understanding the link between viruses and ______

The co-evolution arms race plays a role in developing host ______

Wendell Stanley isolated crystals of tobacco mosaic virus, inferring that viruses were not truly ______

Viruses are ________ and dependent on their hosts for most of their requirements

Viruses use host cell proteins and code ________

A virus is a very small infectious obligate intracellular ________

New viruses are made from newly synthesized components inside the ________ cell

Virions are made by the ________ machinery of the host cell

______ are small infectious agents that lack protein coats and are composed solely of short strands of RNA

Prions are infectious agents composed solely of ______

_____ are cells that are infected with viruses or other pathogens and undergo uncontrolled division

Host ______ is the defense mechanism that protects organisms against pathogens

Vaccines are designed to stimulate the body's immune system to produce ______ against specific pathogens

______ are abnormal forms of normal cellular proteins found in the brain