Yesenia R, Unit 4 crossword

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Across
  1. 2. (4)A substance or agent that can cause cancer
  2. 7. (4)The process that’s occurs in the nucleus, and DNA gene is copied into mRNA
  3. 9. (4)The complete set of genetic instructions found in an organism
  4. 10. (4)Term for how the DNA strands run in opposite directions
Down
  1. 1. (4)The structure formed by phosphate,deoxyribose sugar, and base
  2. 3. (4)A sequence of three consecutive nucleotides in DNA
  3. 4. (4)The modern way to modify DNA
  4. 5. (4)bond that joins four base pairs
  5. 6. (4)one of the base pairs for RNA
  6. 8. (4)A sequence of three consecutive nucleotides in tRNA