Unit IX and X in Virology

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Vaccines are important in preventing the spread of ______

disease

Viroids are infectious agents composed solely of ______

RNA

Prions are misfolded proteins that can lead to ______ diseases

neurodegenerative

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

cancer Signup and view all the answers

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

immunity Signup and view all the answers

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

alive Signup and view all the answers

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

parasites Signup and view all the answers

Viruses use host cell proteins and code ________

efficiently Signup and view all the answers

A virus is a very small infectious obligate intracellular ________

parasite Signup and view all the answers

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

host Signup and view all the answers

Virions are made by the ________ machinery of the host cell

host Signup and view all the answers

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

Viroids Signup and view all the answers

Prions are infectious agents composed solely of ______

Protein Signup and view all the answers

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

Cancer Signup and view all the answers

Host ______ is the defense mechanism that protects organisms against pathogens

Immunity Signup and view all the answers

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

Antibodies Signup and view all the answers

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

Prions Signup and view all the answers