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Ue2 > Biocell > Flashcards

Biocell Flashcards

1
Q

Cytochrome C transporteur quoi?

A

ELECTRONS

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2
Q

Pinocytose dans quel type cellulaire?

A

Dans tout les types cellulaires?

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3
Q

Endocytose controlé vs constitutive dans quel type de cellule?

A

Endo controlé: dans certains types
Endo constitutive: toutes

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4
Q

La chromatine est elle active?

A

NON

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5
Q

Phagocytose, transfert de PS de quel membrane a quel membrane?

A

INTERNE A EXTERNE

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6
Q

Quel phosphoglyceride ont une chatge neg et quels ont une charge neutre

A

Neutre: ethanolamine choline
Neg:inositol serine

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7
Q

Condtitution sphingomyeline

A

Faites de phosphoryl choline + ceramide (elle meme faites d’une liaison amide entre une sphingosine et un acide gras)

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8
Q

Les proteines de la membrane du peroxysomes sont synthétisées par qui?

A

Pas des polysomes cytosoliques libre non liés aux membranes du RE

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9
Q

Glob rouge depourvue de…

A

Peroxysome
Noyeau
Mitochondrie

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10
Q

La region paractristaline du peroxysome ne contient que des…

A

Oxydases

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11
Q

Role cytochrome P450

A

Hydroxylation acide gras et autres molecules

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12
Q

Role oxydases peroxysome

A

synthese cholesterol, acide biliare et b-oxydation AG a longues ccaunes (22<)

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13
Q

Fonction oxydative peroxysome

A

B-oxydation AG a longues chaines
Elimination acide biliaire
Elimination acide jrique
Production H2O2

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14
Q

Qui degrade H2O2

A

Catalase

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15
Q

3 structures micro tubules

A

Flagelle spz
Centriole
Cils

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16
Q

3 structure microfillaments contractile et 2 non contractiles

A

Contractile:
Lamelipodes
Cortex cellulaire
Fibres de stress
Non Contractile:
Fillopodes
Microvillosités

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17
Q

3 structure fillaments intermédiaire

A

Lamina nuclaire
Desmosomes
Hemidesmosomes

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18
Q

Combien de compartiment dans les procaryote?

A

1

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19
Q

Eucaryote sont ils entouré de paroi resustante?

A

Nn

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20
Q

Lipid raft riches ou pauvre en cholesterol?

A

Riche

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21
Q

Quel endocyrose est spécifique? Et elle esh continue ou discontinue

A

Controlé, discontinue

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22
Q

Ou est produite sphingomyeline

A

Golgi

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23
Q

Cytochrome p450 ou?

A

Membrane peroxysome

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24
Q

Ligands PPAR

A

AG insaturé

25
Q

Apc degrade MPF qd

A

Anaphase

26
Q

Que fais le MPF par rapport a l’anneaj contractile?

A

Il inhibe

27
Q

De quelle familles sont les caspases?

A

Proteases

28
Q

Famille CDC25

A

Phosphatase

29
Q

Famille WEE1

A

Kinase

30
Q

Proteine RAN activité _TPasique

A

GTPasique

31
Q

Cycline/CdK permet d’activer lequel?

A

Cdk

32
Q

Famille MPF

A

KINASE

33
Q

Les MT polaires glisse les uns pr rapport aux autres grace a

A

Kinesines de type N

34
Q

Scramblase du RE ramene les lipides de quel couche a quel couche

A

Cytosolique-> luminale

35
Q

Que synthetise golgi

A

Proteoglycane et sphingomyeline

36
Q

Que synthetise RE sur sa membrane et sur quelle face

A

Phisphilipides et ceramide + cholesterol sur face cytosolique

37
Q

MLCK MLCP, lequel phosphoryle?

A

MLCK

38
Q

Organisation actine contractile

A

Lamellipodes, cortex caire, finre de stress

39
Q

Organisation actine non contractile

A

Microvillosités
Fillopodes

40
Q

Merie: alpha actinine fimbrine

A

Alpha actinine homodimere
Fimbrine monomere

41
Q

Famille catastrophine

A

Famille des kinesines

42
Q

Myo2 ds tte cellules eucaryote?

A

Oui

43
Q

Myo1 fore faisceua bipolaire?

A

Non

44
Q

Organisation microtubules

A

Flagelle spz
Centriole
Cils

45
Q

Organisation MT avec 9 triplet et avec 9 doublets de centriole

A

Doublet: axoneme
Triplet: corpuscule basale et centriole

46
Q

Qu’est ce qui provoque la dissociation des lamines nucleaires

A

Phosphorylation

47
Q

Hydrolases acides du lysosome primaire fonctionnel?

A

Nn,

48
Q

Peroxysome produit quel acide

A

Acide biliaire

49
Q

Enzyme lysosomale phosphorylée dans quel partie de GOLGI

A

Trans

50
Q

Recepteurs couplés aux prot g peuvent activer auoi

A

Enzyme ou canal ionique

51
Q

E2F stimule l’expression de quelle cycline?

A

E et A

52
Q

Ordre controle mitose

A

Restriction
Transistion

53
Q

But dyneine dans mitose

A

Ecarter les centrosomes en tirant sur les microtubules asteaux
Elles sont ancrees a la MP par la dynactine

54
Q

But kinesine dans mitose

A

Glissement MT polaires

55
Q

Procaspase executrice

A

2
3
7

56
Q

Quelle famille de BCL active apoptose

A

BAX BAK BOK

57
Q

BH3 only but

A

Favorise apoptose

58
Q

Pathguide est une base de donnee qui regroupe quoi

A

Les interactomes

59
Q

IntAct c quoi

A

Une base de donnee

Ue2 (4 decks)

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