bcm37 Flashcards
(32 cards)
5 general properties of microorganisms
high metabolism high growth metabolic flexbility abundance wide distribution
what is the size of e.coli
1x3 um
what is the size of cyano bacteria
8 x 50 um
what is the size of mycoplasma
0.2 um
what is the size of e.fishelosoni and where is it found
gut sturgeon fish
200-700um
what shape is s.aureus
coccus
what shape is v.cholera
vibrio
what shape is e.coli
baccilus
what shape is t.pallidium
spirochete
what shape is s minuss
spirillium
what shape is streptomycin
filamentos
spherical
coccus
curved
vibrio
rod
baccilus
kind of bumpy looking
spirochete
diplococci
OO
streptococci
OOOOO
Sarcinae
OO
OO
staphylcocci
OO OOO
OOOOOO
OOOOOOO
Diplobacci
{}{}
streptobacci
{}{}{}{}{}
describe binary fission in 5 basic steps
- dna replication
- cell elongation
- cross wall/septum form membrane invagination
- cross wall completes
- daughter cells produced
how is dna organised in bacteria
0.25-3mm length
8*10^6 BP
1000-9000
genes
describe the pili/pilus
1-12um length
2-25 nm
cell adhesion
conjugation