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Bio > Cytologie (animale) > Flashcards

Cytologie (animale) Flashcards

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Biology 101 flashcards
1
Q

membrane plasmique

A

barrière à perméabilité sélective

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2
Q

composition membrane plasmique

A

phospholipides
stéroides
protéines
glucides

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3
Q

composition noyau

A

nucléole
enveloppe nucléaire (2 membranes)

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4
Q

ribosome

A

synthèse des protéines

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5
Q

composition ribosome

A

ARNr
protéines

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6
Q

REL

A

synthèse des lipides
métabolisme glucides
détoxication
stockage Ca2+

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7
Q

composition REL & RER

A

prolongation env. nucléaire
cavités – citernes
X/V ribosomes

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8
Q

RER

A

synthèse protéines sécretés
modification protéines

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9
Q

complexe golgien

A

modification protéines/phospholipides
prod. polysaccharides
triage + expédition

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10
Q

comp complexe golgien

A

citernes (saccules) entourés membrane
cavités indép

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11
Q

lysosome

A

autophagie
dégradation après phagocytose

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12
Q

comp lysosome

A

sac membraneux
enzymes hydrolytiques
pH 5

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13
Q

peroxysome

A

décomposition AG
détoxication alcool
H+O2 – H2O2

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14
Q

comp. peroxysome

A

sac membraneux
enzymes

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15
Q

mitochondrie

A

respiration cell
prod ATP

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16
Q

comp mito

A

2 membranes doubles
ADN
ribosomes

17
Q

cytosquelette

A

soutien structural
motilité
transmission signaux

18
Q

comp . cytosquelette

A

microtubules
microfilaments
filaments intermédiaires

19
Q

microtubules

A

cylindres creux
maintien forme
comp. cils + flagelles
mouvement chromosomes + organites

20
Q

microfilaments

A

2 brins actines entrelacés
maintien forme
contraction musc
cyclose vég
motilité (amibe)
division cell animales

21
Q

fil. intermédiaires

A

protéines fibreuses en cables
maintien forme
fixation noyau + organites
lamina nucléaire

22
Q

centrosome

A

centre org microtubules

23
Q

comp. centrosome

A

1 paire centrioles
9 triplets microtubules

24
Q

flagelle & cils

A

microtubules
membrane plasmique

25
Q

réseau membranes intracell

A

RER
REL
Complexe golgien
Lysosome
Peroxysome

Bio (24 decks)

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