Transcripción Flashcards

1
Q

¿Qué es transcipción?

A

Síntesis de ARN a partir de un ADN molde se copia un mensaje de ARN

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2
Q

Requerimientos para transcipción

A
  • Cadena ADN molde
  • Nucleotidos
  • Polimerasas ARN
  • Proteina Rho
  • Promotor
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3
Q

Promotor

A

Secuencia de bases que va a indicar a ARN polimerasa donde ensamblarse

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4
Q

Caja TATAA

A

Promotor

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5
Q

Rho

A

Anillo que separa la cadena ARN, cuando acaba de transcibir (procariotas)

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6
Q

TTGACA

A

Promotor en procariotas

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7
Q

Factores generales de transcripción

A

Proteinas que se adhieren a la polimerasa ARN (eucariotas y procariotas)

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8
Q

Factores de transcripción

A

Propio promotor solo en eucariotas.

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9
Q

Exon

A

Región que contiene ADN codificante; permiten sintetizar una roteina

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10
Q

Intrón

A

Contiene ADN no codificante

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