Protes Replicacion Flashcards

1
Q

Proteína de unión a cadena sencilla (RPA)

A

Evita que se vuelvan a formar puentes de hidrógeno entre ambas cadenas

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2
Q

Primasa

A

Sintetiza primers
Proporciona un extremo 3 prima
8 a 10 nt de longuitud de RNA

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3
Q

Topoisomerasa

A

Corta y forma enlaces fosfodiester
Deshace superenrrollamiento
Resuelve cortando y pegando

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4
Q

Endonucleasa flap 1

A

Remueve los primers de los fragmentos de okazaki

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5
Q

Rnasa H1

A

Retira los primers (pedazo de rna)

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6
Q

Ligasa

A

Forma enlaces fosfodiester entre nucleotidos contiguos
Une fragmentos

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7
Q

Telomerasa

A

Transcripción reversa y elonga telomeros

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8
Q

PCNA

A

Junta DNA con todas las proteínas para que no se separen
Pinza que sostiene la DNA polimerasa sobre la cadena de DNA

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9
Q

DNA polimerasa

A

Sintesis de cadenas de DNA
Forma enlaces fosfodiester

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