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