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BIOCEL > NÚCLEO > Flashcards

NÚCLEO Flashcards

1
Q

Organulo mas grande

A

NÚCLEO

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2
Q

región del núcleo donde se concentran los genes necesarios para la formación de los nuevos ARN ribosómicos y los ribosomas.

A

NUCLEOLO

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3
Q

POROS NUCLEARES

A

orificios a través de los cuales pasaran todas las moléculas, dentro o fuera

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4
Q

Contiene ribosomas anclados

A

MEMBRANA NUCLEAR EXTERNA

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5
Q

MEMBRANA NUCLEAR INTERNA

A

Contiene proteínas de anclaje

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6
Q

HISTONAS

A

proteína que forma 4 dímeros, estos unidos forman un octámero.

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7
Q

Forma activa. Cromatina ligeramente compactada

A

EUCROMATINA

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8
Q

HETEROCROMATINA

A

Condensada. Forma inactiva

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9
Q

ADN + PROTEÍNAS ASOCIADAS

A

CROMATINA

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10
Q

Siempre esta condensada

A

HETEROCROMATINA CONSTITUTIVA

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11
Q

IMPORTINAS

A

Receptores de importe nuclear. Ensamblaje y maduración de ribosomas

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12
Q

RECEPTORES DE EXPORTE NUCLEAR

A

EXPORTINAS

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13
Q

El GDP tiende a entrar

A

EXPORTINAS

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14
Q

Cómo se separa el ran-GTP de la importina

A

Por hidrolasas que lo desfosforilan

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BIOCEL (12 decks)

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