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Summary TOUT SUR LA MICROBIOLOGIE £5.90   Add to cart

Summary

Summary TOUT SUR LA MICROBIOLOGIE

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Ce cours cible l'étude des microorganismes procaryotes et eucaryotes: leurs structures, mode de reproduction, physiologie et métabolisme sont comparés; leur distribution dans la nature et leurs relations avec les autres organismes vivants sont étudiés, en intégrant les concepts de symbiose et...

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  • Yes
  • June 17, 2021
  • 9
  • 2020/2021
  • Summary
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Ils doués d' un métabolisme
petitsdeorganismes
Iapables
De l' extérieur
se diviser
vers l' interieur la cellule
bactérienne est constituée
a.ae
d' une
d' une
enveloppe , la paroi
a.
membrane
cytoplasmique

• d' un
cytoplasme plusieurs granulations
constitué de
nucléaire sans membrane
a. d' un
appareil
*
les éléments
facultatifs :




a.
la
capsule externe de
a.
l'
les
enveloppe la
paroi
•a
flagelles
a. les
les
pili
a.


la
plasmides
o.ae
sphère

, structure absente chez les
mycoplasmes

Elle est
caractéristique de la cellule

procaryote
a.

cellule bactérienne
Elle est
responsable de la
morphologie de la

aaa Elle lui de résister à des
permet variations
pression osmotique cytoplasmique
de .




structure de la
paroi
est l' élement de base constante
le
peptide
est
genou
ci un
polyracharide
la
paroi joue rôle
un essentiel dans la division
et constitue
bactéries
un

Gram
support antigénique lus des
-



7
le
peptide est hétéro
polymère
genou un
la
composé de NAG et de NAM unis
par
liaison § A- → 4
la
composition structurelle permet distinguer
de
deux de bactéries Gram et Grant
groupes
: -

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