Replicación Flashcards

1
Q

Orden de continua y discontinua

A

Continua: 5’ -> 3’
Discontinua: 3’ -> 5’

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2
Q

Características de la replicación

A

Semiconservadora
Bidireccional
Continua y discontinua

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3
Q

Función de helicasa

A

Corta puentes de hidrógeno

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4
Q

Función de proteína de unión a cadena sencilla

A

Evite formación de puentes de hidrógeno entre ambas cadenas

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5
Q

Función de topoisomerasa

A

Corta, desenrolla y vuelve a pegar las hebras de ADN
Forma enlaces fosfodiester

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6
Q

Función de RNASA H1

A

Quita primers de cadena líder

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7
Q

Función de endonucleasa FLAP 1

A

Quita fragmentos de Okasaki (cadena discontinua)

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8
Q

Función de ligasa

A

Hace enlaces fosfodiester y une

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9
Q

Función de telomerasa

A

Hace telomeros (GGGTTA)

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10
Q

Función del antígeno nuclear de proliferación celular

A

Ayuda a polimerasa y la pinza al ADN

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11
Q

Función de DNA pol alfa

A

primasa

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12
Q

Función de DNA pol beta

A

Repara errores

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13
Q

Función de DNA pol delta

A

Elonga cadena discontinua

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14
Q

Función de DNA pol epsilon

A

Elonga cadena lider (lEader)

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15
Q

Función de DNA pol gamma

A

Replica ADN mitocondrial

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16
Q

Requisito necesario para iniciar la replicación

A

Lugar rico en A y T