structures/composantes cellule animale 1.2 Flashcards

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1
Q

membrane cytoplasmique:

A
  • barrière (délimite cellule)

- assure échanges, sélective

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2
Q

cytoplasme

A
  • cytosol = liquide
  • contient organites
  • MAINTIENT forme de cellule
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3
Q

RER: (nom complet + fonction)

A

réticulum endoplasmique rugueux

  • contient ribosomes
  • circulation des protéines vers autres organites (synthèse protéines)
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4
Q

ribosomes

A
  • attachées au RER

- -synthétisent protéines

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5
Q

REL (nom complet + fonction)

A

réticulum endoplasmique lisse
-permet création des membranes (lipides)
PAS de ribosomes

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6
Q

Appareil de Golgi

A
  • finalise création protéines

- fait circuler protéines à intérieur de cellule

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7
Q

Vésicule (vacuole)

A

réservoir pour diff substances

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8
Q

vésicule : peroxysomes

A

détruisent substances toxiques qui s’accumulent dans cellule

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9
Q

vésicule: Lysosomes

A

(phago/pinocytose)

digestion cellulaire

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10
Q

Mitochondrie

A

respiration cellulaire

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11
Q

Noyau (fonction) :

A

matériel génétique

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12
Q

Formule de respiration cellulaire?

A

Glucose + Dioxygène –> Dioxyde de carbone + vapeur eau + Énergie
C6 H12 O6 + 6 O² –> 6 CO² + 6 H²O (g) + E

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13
Q

Cellule végétale: photosynthèse

A

Dioxyde carbone + eau liquide + Énergie –> Glucose + Dioxygène
6 CO² + H²O (L) + E –> C6 H12 O6 + 6 O²

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14
Q

Noyau: composantes:

A
  • membrane nucléaire (reliée au RER)
  • trous dans membrane= pores nucléaires (permettent passage molécules entre noyau/cytoplasme)
  • milieu= nucléole (formation ribosomes)
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15
Q

molécule noyau:

A

Acide désoxyribonucléique (ADN)

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