AP Biology Exam Extra Credit

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Across
  1. 6. Type of transport that requires energy to move molecules against the concentration gradient.
  2. 9. The green pigment that absorbs sunlight for photosynthesis.
  3. 10. Observable traits of an organism influenced by genetics and environment.
  4. 11. Organelle that modifies, sorts, and packages proteins.
  5. 13. The diffusion of water across a semipermeable membrane.
  6. 14. Hormone that lowers blood glucose levels.
  7. 15. Process by which plants convert sunlight into glucose and oxygen.
  8. 16. The molecule that stores and transfers energy in cells (abbreviation).
  9. 17. The organelle where protein synthesis occurs.
  10. 18. Biological catalysts that speed up chemical reactions.
Down
  1. 1. Protein in red blood cells that carries oxygen.
  2. 2. The building block of nucleic acids, made of sugar, phosphate, and base.
  3. 3. A change in the DNA sequence.
  4. 4. The powerhouse organelle that produces ATP.
  5. 5. Cell division that produces gametes with half the chromosome number.
  6. 7. The bond that links amino acids in a protein chain.
  7. 8. The genetic makeup of an organism.
  8. 9. The jelly-like substance inside a cell where glycolysis occurs.
  9. 12. The basic building block of proteins.