DNA replication
Terms
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copy deck
- 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.