Lecture 25 symbiosis Flashcards
1
Q
commensalism
A
nonpathogenic
benefit from host niche
2
Q
mutualism
A
benefit from host niche
provide benefit for host
3
Q
pathogenesis
A
symbiotic
facultative parasite
pathogenic
4
Q
parasitism
A
symbiotic
obligate parasite
pathogenic
5
Q
bovine mutualism
A
rumen: cellulose/polysaccharide bacteria, allow cow obtain nutrients
cow provide niche for growth and food supply
6
Q
E.coli commensalism
A
create anaerobic environment for obligates bacteroides
7
Q
bacteria benefits in human
A
intestinal flora: vitamin synthesis, polysaccharide digestion
stimulate intestinal development
perturbation flora: inflammatory bowel, colitis, obesity