Why does DNA pol I carry the number one?

Why does DNA pol I carry the number one?

Why does DNA pol I carry the number one? It contains a form of DNA pol III that can add new nucleotides to either the 5′ end or the 3′ end of an existing strand. All other properties of the enzyme remain unchanged.

What does DNA polymerase 2 do in DNA replication?

During DNA replication, base pairs are subject to damage in the sequence. A damaged sequence of DNA can cause replication to be stalled. In order to fix an error in the sequence, DNA Pol II catalyzes the repair of nucleotide base pairs.

What is the function of polymerase II?

RNA polymerase II (RNAP II and Pol II) is a multiprotein complex that transcribes DNA into precursors of messenger RNA (mRNA) and most small nuclear RNA (snRNA) and microRNA. It is one of the three RNAP enzymes found in the nucleus of eukaryotic cells.

Does all DNA polymerase have exonuclease activity?

Many DNA polymerases contain an exonuclease domain, which acts in detecting base pair mismatches and further performs in the removal of the incorrect nucleotide to be replaced by the correct one.

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