intro Flashcards
1
Q
what are protozoa
A
single celled eukaryotes
simple structure complex physiology and biochemistry
half found in the gut
2
Q
advantages of life in the gut
A
easy access via the mouth
easy exit via faeces
ready source of nutrition
protected from external environment
3
Q
disadvantages of life in the gut
A
extremes of pH
digestive enzymes
gut immune system
temporary survival outside of the gut
4
Q
trophozoites
A
feeding form
5
Q
cysts
A
non feeding stage with protective cyst all allowing survival in the environment
6
Q
important pathogens
A
E. histolytica
G. duodenalis
C. hominis
