Viruses Prions

A prion is a kind of protein.

• True
• False

A prion is not properly ___________.

• folded
• baked

Prions cause good proteins in cows and humans to ___________ their proper function.

• gain
• lose

prions are

• contagious segments of RNA

• the first amino acid in eukaryotic proteins

• the proteins that DNA winds around

• misfolded proteins

Particles of protein without a nucleic acid that affect the shapes of the host's proteins are calle:

• bacteriophages
• emerging viruses
• prions
• pathogens

Mad Cow's disease is caused by a(n):

• virus
• prion
• bacterium
• viroid