Summary Topic 6 Bacterium and Mycobacterium Tuberculosis

Bacteria
Types of bacterior

S.I units
O-coccus

0000-streptococcuse joined at
peptidoglycan all
wall




0000-staphylococcus grid
-
she
a




& -

rod shape e .


.
g
E Col.




bacilli
&
Mycobacterium tuberculosis is like buzilli

cell surface Cell Wall
membrane
peptidoglycan
-




-
#
circular 7


DNA

3
S




·
7




I




-




- S I

↑




-

- S
S


↓




.
- ~
---
705
ribosomes


IIII, de Plasmid

, Plasmid
+ small circular DNA with for
genes
antibiotic resistance .




S.I units 11/I -
gram positive

Thick cell wall
peptidoglycan


//// e
gram negative
↓




thin cell wall + extra
peptidoglycan
membrane
phospholipid
Le
hydrophobic qualities


Peptidoglycan
-
amino a cids and
sagar
↳ links
Sugar
= 4
chains
amimo
are

acids
joined by peptide

-
Penicillin weakens he cell wall with B-lactam
ring
L causes osmoria snock
-
destroys all wall

- Penicillin target gram positive

Gram positive s retains he stain of crystal violet .




Grow regative hydrophobic repels
->




↳ Counter stain