biologia examen de ciclo celular Flashcards

1
Q

interfase

A

antes de la mitosis. hace sus funciones regulares y crea copias de ADN

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2
Q

G1

A

aumento de tamaño

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3
Q

S

A

replica el ADN

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4
Q

G2

A

se prepara el núcleo para dividirse

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5
Q

profase

A

proceso mas largo. se condensa la cromatina en cromosomas. desaparece la membrana nuclear

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6
Q

metafase

A

proceso mas corto. los cromosomas se alinean en el ecuador

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7
Q

anafase

A

los cromosomas se mueven a los polos opuestos. se separan las cromátidas

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8
Q

telofase

A

los cromosomas llegan a los polos y se descondensan

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9
Q

citoquinesis

A

divide el citoplasma y crea 2 células hijas

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10
Q

pares de cromosomas

A

23

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11
Q

cromosomas

A

46

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12
Q

fase mas larga (ciclo celular)

A

interfase

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13
Q

fase mas corta ( mitosis)

A

metafase

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14
Q

fase mas corta (ciclo celular)

A

citocinesis

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15
Q

fase mas larga (mitosis)

A

profase

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16
Q

importancia de anafase

A

separación del material genético de manera igual

17
Q

2 mutaciones

A

síndrome de down y cancer

18
Q

diferencia entre G2, telofase y citocinesis

A

G2 separa
telofase divide el núcleo
citocinesis divide la célula

19
Q

mitosis

A

se divide el núcleo de la celula

20
Q

cancerígenos

A

sustancias o agentes del medio ambiente que puede causar cáncer

21
Q

apoptosis

A

muerte programada de las células por procesos bioquimicos