#2
CH 27 .
: Bacteria & Archea
-
provaryotes
- structural & functional adaptation contribute to their success
-
mostly Unicellula
smaller than Eukaryotes
-
-
variaty of shapes CoSpherical ,
Rod-Shape , Spiral 2)
↓
&
"Coli" "bacilli"
Cell wall snape/protection
bursting prevention (in hypotonic eur) In hypetonic Cell shrinks & reproduction
&
f
I
-
- - -
↳ = from
evkaryotes (made of cellulose/Chitin) instead peptidoglycan (bacterial & polysachariddes proteins (Archacal)
-
: =
-
Gram stain: 6-O- simple walks of peptiglucan peniclin inhibts this -
6-00@ peptiglycan/move complex wl outer maharides toxis/ protected against body's defenses ->
↳ ① resistant to antibiotics
>
-
-
Cupsule adherance to other things/protection agains delustration & immone system suield
surrounds cell wall >
-
>
-
Endosporesr developed under harsh conditions
· by multi-layer structure (dehyduated)
- -
>
-
copy of its chromosome currounded
I
-
Fimbriae (hair-like appendages) -
shorter & than pili (pull I cells together before DNA transfer)
MOTILITY :
Nagella (different from eularytic fayella) (shorter 8 compositive & propultion mecha .
-
,
prob v capable of taxis (direct movement towards) away from stimulus
-
.
.
InternalOrganizationLDNAsimper than ekart s
-
↳ less genome o 1 circular chrom . /several linear chrom .
-
located in nucleid &/or plasmid vings
↳
① proteins
↳ NO nullev
↳
smaller vibosomes
* Rapid Repro ., mutation & yen recombination promote diversity .
-
Reproduction fact :
in favorable enviro.
fission (vertical Gene trafer)
-
↳ binary -o
short time
generation
-
O generation time
>
-
⑦ large population =
rapia evolution (mutations & yeu diversity
. fast)
,
CH 27 .
: Bacteria & Archea
-
provaryotes
- structural & functional adaptation contribute to their success
-
mostly Unicellula
smaller than Eukaryotes
-
-
variaty of shapes CoSpherical ,
Rod-Shape , Spiral 2)
↓
&
"Coli" "bacilli"
Cell wall snape/protection
bursting prevention (in hypotonic eur) In hypetonic Cell shrinks & reproduction
&
f
I
-
- - -
↳ = from
evkaryotes (made of cellulose/Chitin) instead peptidoglycan (bacterial & polysachariddes proteins (Archacal)
-
: =
-
Gram stain: 6-O- simple walks of peptiglucan peniclin inhibts this -
6-00@ peptiglycan/move complex wl outer maharides toxis/ protected against body's defenses ->
↳ ① resistant to antibiotics
>
-
-
Cupsule adherance to other things/protection agains delustration & immone system suield
surrounds cell wall >
-
>
-
Endosporesr developed under harsh conditions
· by multi-layer structure (dehyduated)
- -
>
-
copy of its chromosome currounded
I
-
Fimbriae (hair-like appendages) -
shorter & than pili (pull I cells together before DNA transfer)
MOTILITY :
Nagella (different from eularytic fayella) (shorter 8 compositive & propultion mecha .
-
,
prob v capable of taxis (direct movement towards) away from stimulus
-
.
.
InternalOrganizationLDNAsimper than ekart s
-
↳ less genome o 1 circular chrom . /several linear chrom .
-
located in nucleid &/or plasmid vings
↳
① proteins
↳ NO nullev
↳
smaller vibosomes
* Rapid Repro ., mutation & yen recombination promote diversity .
-
Reproduction fact :
in favorable enviro.
fission (vertical Gene trafer)
-
↳ binary -o
short time
generation
-
O generation time
>
-
⑦ large population =
rapia evolution (mutations & yeu diversity
. fast)
,
