Mechanism of T7 Primase / Helicase

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Uploaded by on Nov 14, 2010

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Education

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  • @malik9241 A helicase is protein enzyme that will break the double helix between DNA( or possibly RNA) pairs. A primase ( adds a primer) is the protein enzyme that will add RNA nucleotides as the stepping stone sequence for DNA polymerase to work because DNA pol cannot start DNA replication by itself. T7 is a phage.. so this protein originates from a phage (could be coded on the genes of that phage) and is doing both activities at the same time.. quite incredible indeed.[Assumptive answer]

  • please explain whats going on???

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