april Flashcards
infections can be caused in __________ ways
several
how is it called any desease-causing agent?
pathogen
what is a virus made of?
DNA or RNA and a protein coat
what is a viroid made of?
a single-stranded RNA
virus can only infect______
animals
viroids can only infect_______
plants
how do virus are transmitted?
by ANY boady opening ;)
how does viroids are transmitted?
by seeds or pollen
what is a prion made of?
proteins, ONLY proteins
what does prions cause?
misfolding in other proteins that result in diseases on the brain
viruses have a _______ structure
simple
what materials does a virus include?
genetic material, caspid, (a protein shell)l, and maybe a lipid envelope(a protective outer coat)
what does bacteriophages do?
infect bacteria
what are the 2 types of bacteria infections
lytic and lysogenic
how does the lytic infection occur?
suddenly
how does lysogenic infection occur?
slowly