Biology Crossword

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Across
  1. 3. only in RNA
  2. 5. a sequence of three nucleotides which together form a unit of genetic code in a DNA or RNA molecule
  3. 6. a sequence of three nucleotides forming a unit of genetic code in a transfer RNA molecule, corresponding to a complementary codon in messenger RNA
  4. 9. pairs with thymine in DNA and uracil in RNA
  5. 10. copies DNA’s code & carries the genetic information to the ribosomes
  6. 11. the instructions to make molecules called proteins
  7. 13. a chemical compound that contains phosphorus
  8. 14. deoxyribose and ribose are examples of this
  9. 15. pairs with adenine only
  10. 16. along with protein, makes up the ribosomes
Down
  1. 1. A molecule that contains nitrogen and has the chemical properties of a base.
  2. 2. transfers amino acids to the ribosomes where proteins are synthesized
  3. 4. pairs with guanine only
  4. 7. The control center of the cell
  5. 8. pairs with cytosine only
  6. 12. contains genetic information and instructions for protein synthesis
  7. 13. made of amino acids and help build and work in the cells
  8. 16. contains information that has been copied from DNA