Unit IX and X in Virology
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Questions and Answers

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 ______

<p>cancer</p> Signup and view all the answers

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

<p>immunity</p> Signup and view all the answers

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

<p>alive</p> Signup and view all the answers

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

<p>parasites</p> Signup and view all the answers

Viruses use host cell proteins and code ________

<p>efficiently</p> Signup and view all the answers

A virus is a very small infectious obligate intracellular ________

<p>parasite</p> Signup and view all the answers

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

<p>host</p> Signup and view all the answers

Virions are made by the ________ machinery of the host cell

<p>host</p> Signup and view all the answers

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

<p>Viroids</p> Signup and view all the answers

Prions are infectious agents composed solely of ______

<p>Protein</p> Signup and view all the answers

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

<p>Cancer</p> Signup and view all the answers

Host ______ is the defense mechanism that protects organisms against pathogens

<p>Immunity</p> Signup and view all the answers

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

<p>Antibodies</p> Signup and view all the answers

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

<p>Prions</p> Signup and view all the answers

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