3′→ 5′ exonuclease activity(外切酶活性)為DNA polymerase之proofreading(DNA聚合酶之校對)的機制
(B) 3'→5' exonuclease:proof-reading(C) 5'→3' exonuclease:移除 primer
*補充
「原核」DNA polymerase I:三大功能(1) 補 lagging strand 的 gap(2) 3'→5' exonuclease:proof-reading(3) 5'→3' exonuclease:移除 primer「原核」DNA polymerase III(1) 複製 lagging strand(2) 複製 leading strand
「真核」DNA polymerase α:複製 lagging strand「真核」DNA polymerase δ:複製 leading strand「真核」DNA polymerase β:修錯「真核」DNA polymerase γ:複製粒腺體DNA
79.下列何者為DNA polymerase之proofreading的機制? ..-阿摩線上測驗