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Across 1. The phase of the cell cycle where DNA replication occurs. (6 letters) 3. First codon of an mRNA transcript, which codes for methionine (3 letters) 6. Non-coding DNA regions that are spliced out from RNA transcripts (6 letters) 8. Enzyme that removes damaged bases in base excision repair (8 letters) 9. Enzyme that removes RNA primers during replication (9 letters) 10. Protein complex that forms a sliding clamp around DNA during replication (5 letters) 11. Structure at the end of linear chromosomes that protects them from degradation (8 letters) 12. Short fragments synthesized on the lagging strand during replication (7 letters) 13. Process by which introns are removed from RNA transcripts (8 letters) 14. Bacterial DNA transfer via a viral vector (12 letters)

Down 2. Small, circular DNA molecules found in bacteria (8 letters) 4. Region of DNA that codes for a single polypeptide (4 letters) 5. Enzyme that seals break in the DNA backbone (6 letters) 7. Type of horizontal gene transfer involving uptake of naked DNA (14 letters) 10. Sequence in DNA that serves as the binding site for RNA polymerase (8 letters)