Across
- 3. transcribed from DNA
- 7. reads instructions from mRNA
- 8. arrangement of amino acid
- 13. adds nucleotides to existing strands
- 15. carries genetic information
- 16. first step of gene expression
- 18. 23 pairs
- 19. "crossing over"
- 20. speeds up chemical reactions
Down
- 1. synthesizes short RNA primers
- 2. nitrogen bases
- 4. links DNA fragments
- 5. two identical diploid
- 6. "unzips" double helix
- 9. "taxi" for amino acids
- 10. altercation in DNA sequence
- 11. G1, G2, M phases
- 12. chain of amino acids
- 14. segments of DNA
- 17. building block of DNA