quiz celula Flashcards

1
Q

interfase

A

etapa más larga del ciclo celular y se divide en 3 subetapas

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2
Q

G1

A

aumenta de tamaño

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3
Q

S

A

replica el ADN

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4
Q

G2

A

(*)se prepara el nucleo para dividirse

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5
Q

profase

A

desaparece la membrana celular. cromatina se condensa en los cromosomas

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6
Q

metafase

A

se alinean en el ecuador los cromosomas. fase más corta

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7
Q

anafase

A

se separan los cromátidas a los polos opuestos

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8
Q

telofase

A

(*)divide el núcleo, corrigen errores de los cromosomas

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9
Q

citocinesis

A

división del citoplasma, 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 más larga (ciclo celular)

A

interfase

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13
Q

fase más corta (mitosis)

A

metafase

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14
Q

fase más corta (ciclo celular)

A

citocinesis

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15
Q

fase más 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
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

citocinesis

A

se divide la célula

21
Q

cancerígenos

A

sustancias del medio ambiente que pueden causar cáncer ( el sol y preservativos en la comida )

22
Q

apoptosis

A

muerte programada