Biology

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Across
  1. 2. The sequence of DNA in between exons that is initially copied into RNA
  2. 4. the process by which an organism acquires exogenous DNA
  3. 7. a compound consisting of a nucleoside linked to a phosphate group
  4. 9. a sequence of three nucleotides forming a unit of genetic code in a transfer RNA molecule, corresponding to a complementary codon in messenger RNA
  5. 10. heritable condition of possessing more than two complete sets of chromosomes
  6. 11. a compound that occurs in guano and fish scales, and is one of the four constituent bases of nucleic acids
  7. 13. any of a group of basic proteins found in chromatin
  8. 14. A bacteriophage, also known informally as a phage, is a duplodnaviria virus that infects and replicates within bacteria and archaea
  9. 17. a compound which is one of the four constituent bases of nucleic acids
  10. 18. the changing of the structure of a gene, resulting in a variant form that may be transmitted to subsequent generations
  11. 19. membrane-enclosed organelle within a cell that contains the chromosomes
  12. 20. a simple sugar and carbohydrate with molecular formula
Down
  1. 1. process of copying a segment of DNA into RNA
  2. 3. a compound which is one of the four constituent bases of nucleic acids
  3. 5. a compound which is one of the four constituent bases of nucleic acids
  4. 6. a sequence of three nucleotides which together form a unit of genetic code in a DNA or RNA molecule
  5. 8. a compound found in living tissue as a constituent base of nucleic acids. It is paired with guanine in double-stranded DNA
  6. 12. one of the four nucleobases in the nucleic acid RNA
  7. 15. sequence of DNA to which proteins bind to initiate transcription of a single RNA
  8. 16. he material of which the chromosomes of organisms