Ribosomas Flashcards

1
Q

Ribosomas composición:

A

ARN y proteinas

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2
Q

Subunidad mayor:

A

Pesa 60s
Tiene 49 proteínas
3 RNA ribosomales (5s, 5.8s, 28s)

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3
Q

Subunidad menor:

A

Pesa 40s
Tiene 33 proteinas
1RNA ribosomal (18s)

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4
Q

Funcion de los ribosomas:

A

Sintetizar proteinas

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5
Q

Transcripción

A

Pasar de DNA a RNA por medio del RNA polimerasa

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6
Q

Traducción

A

Pasar de RNA a proteínas (pasamos de nucleotidos a amino acidos)

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7
Q

A partir de donde se forman los ribosomas:

A

La región NOR nos da la información para sintetizar

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8
Q

RNA POL 1

A

Divide el RNA en 45s y esto nos da los pedazos de 28s 18s (subunidad pequeña) y 5.8s

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9
Q

RNA POL 3

A

Divide al RNA en 5s

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10
Q

RNA mensajero

A

Sale del núcleo y traduce a proteinas, estas ingresan al nucleo y se asocian a las subunidades de RNA, salen del nucleo.

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11
Q

Sitio A

A

Acepta RNA transferencia

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12
Q

Sitio P

A

Se forma el enlace peptidico

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13
Q

Sitio E

A

Salida del RNA de transferencia sin aminoacido

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