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Unformatted text preview: o What does the structure of DNA tell you about how to copy it? o Replication o Semi-conservative; have original piece of DNA, bonds in the backbones are all polar/polar covalent bonds; bonds with the sugar and phosphates are strong bonds, in the backbone • DNA replication: o Begins at many origins o Strands must separate and unwind Helicase(unwinding; separates strands of protein), Topoisomerases, and SSB proteins (single strand binding; (keeps strands apart once separated) o Add primer Primase; builds the primer; primer is made out of RNA nucleotides, instead of DNA nucleotides Built in a particular direction 5’ 3’ (anti-parallel) o Perform replication DNA polymerase; makes DNA Fuse sections; DNA ligase...
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- Fall '07