dictyostelium Flashcards
what are the 3 life cycles of Dictyostelium?
1) vegetative
2) asexual (social)
3) sexual
What kingdom is dictyostelium in?
amoebozoa (parazoa)
When does the vegetative cycle occur in dictyostelium?
when there is plenty of food around
What do dictyostelium eat?
bacteria (E.coli)
dictyostelium divide by _______ to form _______ cells in the vegetative cycle
mitosis
haploid
How do dictostylium hunt down bacteria?
follow folic acid released by bacteria
Sexual cycle results in _______
macrocysts
in the sexual cycle, opposite mating types form a _______ cell, which is the macrocyst
diploid
the macrocyst undergoes _______ to form _______ cells
meiosis
haploid
How do individual amoeba communicate with each other?
the use of cAMP
What allows individual amoeba to stick together?
glycoproteins
Amoeba undergo chemotaxis to what 3 things?
1) light
2) humidity
3) higher temp