Marie Sidney Unit 4 Crossword

12345678910
Across
  1. 4. small,meager
  2. 6. physical or chemical agent that permanently alters an organism's DNA
  3. 7. any substance, agent, or exposure capable of causing cancer
  4. 10. How many mRNA nucleotides make up a codon
Down
  1. 1. this macromolecule may contain sulfur
  2. 2. deoxyribonucleic acid
  3. 3. Who discovered the base pairs of DNA
  4. 5. ribonucleic acid
  5. 8. hold back/restrain
  6. 9. complete set of genetic instructions found in an organism