Across
- 3. chain of events that starts with a cell receiving a ligand and ends with the cell responding (2 words)
- 5. communication between cells (2 words)
- 8. region of a cell surface receptor that is located on the cell's surface (2 words)
- 9. enzyme that is activated by binding to cAMP (4 words)
- 13. signaling molecule secreted by bacteria to communicate with other bacteria of its kind
- 16. protein that binds to specific ligands
- 17. small space between axon terminals and dendrites of nerve cells
- 19. signal that is sent and received by the same cells (2 words)
- 20. long distance signal that is delivered by hormones through an organism's circulatory system (2 words)
- 21. molecule that transmits signals within a cell (2 words)
- 24. protein that transmits a signal from the exterior of the cell to the interior (3 words)
- 26. interaction of signals from 2 or more receptors that activate the same response (2 words)
Down
- 1. enzyme that removes phosphate group from a molecule that has been phosphorylated
- 2. AKA cAMP (2 words)
- 4. chemical compound formed when two molecules join together
- 6. small molecule that propagates a signal within the cell (2 words)
- 7. propagation of a signal through cytoplasm (2 words)
- 10. method of cell communication used by bacteria to sense how many similar bacteria are in an area (2 words)
- 11. ligand that binds to receptors and stimulates cell growth (2 words)
- 12. programmed cell death
- 14. enzyme that catalyzes the transfer of a phosphate group from ATP to another molecule
- 15. molecule that binds to a protein and stops it from functioning
- 18. communication within cells (2 words)
- 22. second messenger that is derived from ATP
- 23. molecule produced by a cell that binds with a specific receptor
- 25. releases ligands involved in hormone signaling (2 words)