Biology Extra Credit

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Across
  1. 1. cycle in which viruses burst out of host
  2. 3. reactants that bind to an enzyme
  3. 5. organelle that performs cell respiration
  4. 7. protects genetic material of a virus
  5. 9. cell that has a nucleus
  6. 11. organelle that performs photosynthesis
  7. 12. energy made during cell respiration
  8. 14. set of 3 tRNA nucleotides
  9. 16. copying of DNA during S phase
  10. 17. what DNA and RNA are made up of
  11. 19. division of the nucleus
  12. 21. DNA strand that is replicated in fragments
  13. 26. major biomolecule in cell membrane
  14. 27. cell that does not have a nucleus
  15. 28. enzyme that unzips DNA during replication
  16. 29. base that pairs with adenine on DNA
  17. 30. protein that speeds up chemical reactions
Down
  1. 2. biomolecule providing short-term energy
  2. 4. without oxygen
  3. 6. used to prevent viral diseases
  4. 8. solution and cell are equal concentrations
  5. 10. makes an mRNA copy of the DNA
  6. 13. set of 3 mRNA nucleotides
  7. 15. base that pairs with adenine on RNA
  8. 18. passive transport
  9. 20. first step of cell respiration
  10. 22. acid carried by tRNA to make proteins
  11. 23. preparatory phase of cell cycle
  12. 24. maintaining a stable environment
  13. 25. sugar made during photosynthesis