Ultrastructure of Prokaryotic cells
Prokary
cells
otic
-
-
simple
small 1-104m
-
no membrane bound organelles
S.I units -
unicellular
-shared with -
cell membrane
Eukaryo
ta-cytoplasm
-
ribosomes
.
bacterial cell wall-peptidoglycan
↳> some are
gram positive which is multiple layers of
peptidoglycan
some are
graw negative
which
single layer of peptidoglycan
-
is
toutermembrane
-
Capsule T water and
polysaccharides
↳ stops dessication
(drying out)
chemicals
-
provides protection to toxic
Mesosome-folding of the inner
cellular
membrane
↳
function in respiration .
circular DNA
essential to
-
growth
contains
and
genes
survival
which code
for proteins
Plasmid-circular and contains gene which code
protein stress (non essential)
for in survival uncer
Nucloid
region of cytoplasm
circular DNA
->
containing .
70s ribosomes -
smaller
bacterial flagellum >
-
motility/locomotion
protein called flagellin
One or more
Propulsion ↑ rotation
from rotor
rotate
hook and
filment
Prokary
cells
otic
-
-
simple
small 1-104m
-
no membrane bound organelles
S.I units -
unicellular
-shared with -
cell membrane
Eukaryo
ta-cytoplasm
-
ribosomes
.
bacterial cell wall-peptidoglycan
↳> some are
gram positive which is multiple layers of
peptidoglycan
some are
graw negative
which
single layer of peptidoglycan
-
is
toutermembrane
-
Capsule T water and
polysaccharides
↳ stops dessication
(drying out)
chemicals
-
provides protection to toxic
Mesosome-folding of the inner
cellular
membrane
↳
function in respiration .
circular DNA
essential to
-
growth
contains
and
genes
survival
which code
for proteins
Plasmid-circular and contains gene which code
protein stress (non essential)
for in survival uncer
Nucloid
region of cytoplasm
circular DNA
->
containing .
70s ribosomes -
smaller
bacterial flagellum >
-
motility/locomotion
protein called flagellin
One or more
Propulsion ↑ rotation
from rotor
rotate
hook and
filment
