noyau Flashcards

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1
Q

noyau

A

centre de régulation de la cellule

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2
Q

3 composantes du noyau

A

enveloppe nucléaire
chromatine
nucléoles

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3
Q

enveloppe nucléaire

A

2 couches de phospjolipides

pores nucléaires à la surface

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4
Q

nucléoles

A

structure sphérique dense sans membrane
1-2 nucléoles ou plus
synthèse des sous unités de ribosomes

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5
Q

chromatine

A

adn non enroulé

histones ( protéines pour enrouler l’adn)

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