Cours 11 Part 2 mitose Flashcards

1
Q

Comment se divise une cellule mere et en quoi devient elle?

A

elle se divise par mitose en 2 cellule filles genetiquement identique.

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2
Q

la mitose comprend combien de division

A

1 seule divison

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3
Q

La cellule mere est diploide ou haploide?

A

Diploide

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4
Q

Les deux cellules filles sont diploide ou haploides?

A

Diploides

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5
Q

C’est quoi l’equation d’une cellule somatique humaine diploide?

A

2n=46 donc 23 chromosomes

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6
Q

La mitose permet quoi?

A

Permet la croissance et la reparation des tissus

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7
Q

Les etapes de la croissance:

A

1 ZYGOTE, 2 CELLULES, 8 CELLULES, UN BEBE, ADULTE

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8
Q

Phase de la mitose

A

Cellule mere(2n=4),
replication de l’adn,
prophase,
metaphase,
anaphase,
telophase,
cytocinese

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9
Q

La replication de l’adn se passe durant quelle phase?

A

Durant l’interphase

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10
Q

Defintion de la prophase

A

Condensation de la chromatine et fragmentation de l’enveloppe nucleaire

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11
Q

Definition de la metaphase

A

Alignement des chromoses sur la plaque equatoriale

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12
Q

Definition de l’anaphase

A

Separation des chromatides soeurs, chacune vers un pole de la cellule

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13
Q

Definition de la telophase

A

Decondensation de la chromatine, L’enveloppe nucleaire se referme

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14
Q

Definition de la cytocinese

A

Division du cytoplasme permettant la separation des cellules-filles

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