REPLICACIÓN Flashcards

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1
Q

Características de la replicación:

A
  • Bidireccional
  • Semiconservadora
  • Continua y discontinua
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2
Q

A qué se refiere semiconservadora?

A

1 hebra siempre se estará manteniendo

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3
Q

Cómo es la replicación continua?

A

5’ a 3’

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4
Q

Qué deja la replicación discontinua?

A

Fragmentos de Okazaki

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5
Q

Rompe los puentes de hidrógeno causando superenrrollamiento:

A

Helicasa

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6
Q

Evita de la formación de puentes de hidrógeno:

A

SSB (single-stranded dna binding protein)
Proteína de unión a cadena sencilla

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7
Q

Sintetiza primers y proporciona extremo 3’:

A

RNA Primasa

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8
Q

Cortan y forman enlaces fosfodiester para evitar el superenrrollamiento:

A

Topoisomerasa

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9
Q

Retira los primers en hebra continua

A

RNAsa H1

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10
Q

Remueve los primers en hebras discontinua

A

Endonucleasa FLAP1

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11
Q

Pone enlaces fosfodiester entre nucleótidos contiguos= une fragmentos de okazaki

A

DNA Ligasa
une fragmentos de okazaki

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12
Q

Copia telómeros

A

telomerasa

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13
Q

ADN polimerasa delta:

A

elongación de las hebras de ADN discontinuas

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14
Q

ADN polimerasa epsilon

A

elongación de hebras de ADN continuas

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15
Q

¿cuál es el punto origen?

A

adenina timina

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