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