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| 6020014298 | Transformation | A change in genotype and phenotype due to assimilation of foreign DNA | 0 | |
| 6020020655 | Bacteriophages | Viruses that infect bacteria | 1 | |
| 6020022695 | Phosphorus | The element that DNA contains | 2 | |
| 6020027355 | Sulfur | The element that proteins contain | 3 | |
| 6020032531 | Semi-conservative model | Predicts that when a double helix replicates, each daughter molecule will have one strand and one newly made strand | 4 | |
| 6020039892 | Replication fork | A Y-shaped region where new DNA strands are elongated | 5 | |
| 6020046057 | Helicases | Enzymes that untwist the double helix at the replication forks | 6 | |
| 6020051906 | Single strand binding protein | Binds to and stabilizes single-stranded DNA until it can be used as a template | 7 | |
| 6020102144 | Topoisomerase | Corrects over-winding ahead of replication forks by breaking, swiveling, and rejoining DNA strands | 8 | |
| 6020114222 | Primase | Synthesizes an RNA primer at the 5' end of the leading strand and of each Okazaki fragment of the lagging strand | 9 | |
| 6020122082 | DNA polymerase | Enzymes that catalyze the elongation of new DNA at a replication fork | 10 | |
| 6020134750 | Pyrophosphate | Two phosphate groups that are lost as each monomer of dATP joins the DNA | 11 | |
| 6020144469 | Leading strand | The strand that is continuously synthesized by DNA polymerase along one template strand of DNA | 12 | |
| 6020180805 | Lagging strand | The strand that is synthesized in a series of segments and has DNA polymerase working away from the replication fork | 13 | |
| 6020203621 | Okazaki strands | The series of short segments on the lagging strand that must be joined together by DNA ligase | 14 | |
| 6020219605 | DNA ligase | Joins the 3' end of DNA, that replaces primer, to the rest of the leading strand and joins the Okazaki fragments of the lagging strand | 15 | |
| 6020222548 | Mismatch fragments | Repair enzymes correct enzymes correct errors in base pairing of DNA | 16 | |
| 6020232777 | Nucleotide excision repair | A nuclease cuts out and replaces damaged stretches of DNA | 17 | |
| 6020282763 | DNA pol 1 | Removes RNA nucleotides of the primer from the 5' end and replaces them with DNA nucleotides | 18 | |
| 6020389366 | DNA pol III | Using parental DNA as a template, this synthesizes a new DNA strand by covalently adding nucleotides to the 3' end of a pre-existing DNA strand or primer | 19 |
