DNApol de Eucarioto - Função ​ Flashcards

1
Q

DNApol de Eucarioto - Tipos 5

A

DNApol α

DNApol δ

DNApol ε

DNApol β

DNApol γ

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2
Q

DNApol δ/ε - Tamanho

A

4 subunidades

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3
Q

DNApol α - Função (? sugerese-se) 1/2/*

A

Replicação Inicial:

→ Menor → ação de primase no cromossomo nuclear (faz o primer)

→ Maior → usa a extremidade 3’ do primer e estende a nova fita (25-40nt)

*Baixa processividade

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4
Q

DNApol α - Adendo

A

Não faz revisão

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5
Q

DNApol δ - Função 2/*

A

Principal enzima de pol → faz grande parte da fita descontínua

Reparo de DNA (Ativ. Exon. 3’-5’)

*Alta Processividade

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6
Q

DNApol ε - Função 2/*

A

Replicação do DNA (Fia Líder)

Reparo de DNA (Ativ. Exon. 3’-5’)

*Alta Processividade

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7
Q

DNApol β - Função

A

É pequena → atua no reparo do DNA

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8
Q

DNApol γ - Função

A

Replicação de DNA Mitocondrial

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9
Q

Revisão - Feita por:

A

Δ e ε

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10
Q

DNApol β - Funciona como:

A

DNApol 2

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