A brief description of the function characteristics and main functions of the three DNA polymerases.

related topics . Recombinant
DNA
Technology Tool Enzyme DNA Polymerase
1: 1. Can catalyz a single DNA
nucleotides
connected to the DNA chain at the 3-#39; end..2. Can cut DNA (excision of the lead) along the direction of 5 and #39; end to 3 to #39;can cut DNA in the direction of the end of 3 and #39; end to 5, #39; end direction of the cut DNA (correction, or recovery of DNA damage) DNA polymerase
2: 1. The presence of magnesium ions and ammonium root ions 2. Can also participate in
Polymerase
1 is involved in the reaction, but the polymerization activity is low 3. can cut DNA outwards along the 3-#39; end-to-end 5-#39; end-to-end direction DNA polymerase
3: 1. Mainly responsible for the extension of the DNA strand 2. Can cut DNADNA in the replication direction along the 3-#39; end-to-5-#39; DNA polymerase 3 is responsible for synthesizeing Okazaki fragments, while DNA polymerase 1 is responsible for removing RNA quotations on a case-by-case basis and replacing them with corresponding DNA nucleotides, which are eventually connected by DNA connectivity enzymes to the Okazaki fragments and copied.activity (number of nucleotides polymerized per enzyme molecule per minute at 37 degrees:D NA polymerase 1 is 600, DNA polymerase 2 is 30, and DNA polymerase 3 is 9000.
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