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10 Cards in this Set

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  • Back
Unwinds double helix.
Helicase
The enzyme that builds new DNA strand.
DNA polymerase
Primer that initiates the building of the new DNA strand.
Primase
DNA is read in the .... direction and synthesized in the .... direction.
3'- 5' (upstream), 5'- 3'(downstream)
The polymeration of the strand that is continually interrupted is called.
The lagging strand.
The continuous polymeration strand is called.
The leading strand.
Series of discontinuous strands.
Okazaki fragments.
Steps in DNA replication.
1. Helicase unzips double helix.
2. RNA Polymerase builds primer.
3. DNA Polymerase assembles leading and lagging strands.
4. Primers removed.
5. Okazaki fragments are linked w/ DNA ligase.
Purines
Adenine and Guanine
Pyrimdines
Cytosine and Thymine.
Uracil replaces Tymine in RNA.