Tipos de RNA polimerasa Flashcards

1
Q

protagonista en este proceso es____

A

RNA pol

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2
Q

function de la RNA polimerasa

A
  • sintetiza una cadena de RNA
  • en dirección 5′ → 3′
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3
Q

tipos de RNA pol

A
  • I
  • II
  • III
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4
Q

donde reside la pol I

A

el nucleolo

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5
Q

función de la pol I

A
  • transcribe los genes que codifican para los rRNA
  • rRNA 45S
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6
Q

el rRNA 45S precursor de los rRNA_____

A
  • 5.8S
  • 18S
  • 28S
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7
Q

donde reside la pol II

A

el nucleoplasma

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8
Q

función de la pol II

A

RNA mensajero

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9
Q

Existen tres subunidades comunes para las tres RNA pol _____

A
  • el dominio terminal carboxilo (CTD)
  • reconocimiento de la secuencia de DNA
  • la del sitio catalítico.
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10
Q

función de la pol III

A
  • sintesis de RNA de transferencia
  • 5S
  • snRNA, small nuclear RNA
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