External Factor Types Flashcards
1
Q
virus
A
- binds to membrane bound receptors of host cell
- virus inserts it’s nucleic acid into host DNA
- function of host cell disrupted (breakdown of dynamic equilibrium)
- uses host reproductive process to synthesize more viruses and courses the cell to burst, releasing all the viruses to infect other cells
2
Q
prions
A
infectious protein particles
misshaped protein that causes healthy body proteins to become misshaped
3
Q
X
A
Alpha, healthy protein shape
4
Q
B
A
beta [pleated sheet], unhealthy protein shape
5
Q
Example of prions
A
Mad cow disease, Scorpie, creutzfeldt
6
Q
Mad cow disease
A
Bovine spongiform encephalopathy
7
Q
Sheep
A
Scorpie
8
Q
Creutzfeldt
A
Jacob disease (Kuru) = cannibalism
