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Recombinant DNA Technology

Recombinant DNA Technology

Recombinant DNA Technology

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Three Activities of E. coli <strong>DNA</strong>P I (1)<br />

(1)<br />

• Polymerization of dNTPs<br />

at the 3’end of the growing<br />

chain (1)<br />

• 5’exonuclease removes<br />

nucleotides from 5’end of<br />

chain immediately<br />

upstream of growing chain<br />

(2)<br />

• 3’exonuclease removes<br />

unpaired nucleotides from<br />

3’ end of growing chain

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