Across
- 3. bonds between two antiparallel polynucleotide chains
- 6. coding sequence within the gene
- 8. compacted mass of DNA in prokaryotes
- 9. protein synthesized by regulatory gene in lac operon
- 11. formation of RNA from DNA
- 12. RNA polymerase binds to
- 14. addition of a tail of poly A at the 3'end
- 15. bond between pentose sugar and nitrogenous bases
- 16. a single regulated unit with two or more structural genes
- 18. addition of a cap of 7-methyl guanosine at the 5'end
- 19. changes in sequence and number of nucleotides to cause variations
- 20. Okazaki fragments are joined by enzyme DNA
- 21. small monomeric units of DNA
Down
- 1. virus infecting bacteria
- 2. deoxyribonucleotides are polymerized by enzyme DNA
- 4. lossely packed and transcriptionally active part of chromatin
- 5. non-coding sequences within the gene
- 7. mode of replication of DNA
- 10. a sequence in t-RNA complementary to codon in m-RNA
- 12. bond between adjacent nucleotides
- 13. basic proteins associated with DNA in eukaryotes
- 17. virus with RNA as genetic material