AP Biology Crossword

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Across
  1. 3. An infectious particle incapable of replication outside of a cell
  2. 5. A variant form of a gene.
  3. 8. A noncoding, intervening sequence within a primary transcript
  4. 10. The sum of a species' use of biotic and abiotic resources in its environment
  5. 12. The coding region of RNA (joined together after splicing).
  6. 13. Modified type of cell division in sexually reproducing organisms
  7. 14. To burst or break a cell
  8. 15. The main energy source for cellular work
  9. 17. The diploid cell produce by the union of haploid gametes
  10. 19. A three-nucleotide sequence of DNA or mRNA that specifies an amino acid
  11. 20. a measure of hydrogen ion concentration
Down
  1. 1. A molecule that binds specifically to another molecule, usually a larger one.
  2. 2. Major life zones characterized by vegetation type or physical environment
  3. 4. The genetic material of an organism or virus
  4. 6. A macromolecule serving as a catalyst
  5. 7. A globular protein that links into chains, forming microfilaments
  6. 9. Plural group level in biological classification
  7. 11. An enzyme that transfers phosphate groups from ATP to a protein
  8. 16. An infectious agent that is a misfolded version of a normal cellular protein
  9. 18. The 3-carbon sugar produced directly from the Calvin Cycle