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Ch. 10
Section 3: DNA Replication
Term | Definition |
---|---|
DNA Replication | Process by which DNA is copied in a cell before a cell divides by mitosis, meiosis, or binary fission |
Helicase | Enzymes that separate the DNA strands |
Replication Fork | The Y-shaped region that results when the two strands separate |
DNA Polymerase | Enzymes that add complementary nucleotides, found floating freely inside the nucleus, to each of the original strands |
Semi-Conservative Replication | The type of replication when each of the new DNA molecules has kept one of the two (or semi) original DNA strands |
Mutation | A change in the nucleotide sequence of a DNA molecule |