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CH 11 VOCAB DEF.
| Term | Definition |
|---|---|
| Nucleotides | 4 small subunits |
| Strands | linked nucleotides |
| Double Helix | ladder twisted lengthwise into circular staircase |
| Complementary Base Pairs | A=T, G=C |
| DNA replication | produce 2 identical DNA double helices |
| DNA helicase | enzymes that break apart helix |
| DNA polymerase | enzymes that synthesize a DNA polymer |
| DNA ligase | enzymes that ties DNA together |
| Semiconservative repetition | a process in which DNA replication conserves one parental DNA strand and produces one new strand |
| Mutation | defective genes |
| Deletion Mutation | occurs when one or more nucleotide pairs are removed from helix |
| Inversion | occurs when a piece of DNA is cut out of a chromosome, turned around, & reinserted in |
| Translocation | results when a chunk of DNA, large, is removed from one chromosome and attached to another one |
| Point Mutation | a mutation in which a single base pair in DNA has changed (nucleotide substitutions) |
| insertion mutation | occurs when 1 or more nucleotide pairs are inserted into helix |
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LizChick295