Across
- 3. is the component of blood that contains water, proteins, nutrients, and hormones
- 5. the unique capability of stem cells which make daughter cells that continue to be stem cells is called self- _____
- 10. IFN-a and IFN-b are considered proteins that can ready cells for _________ attack
- 11. ______’s job is to serve as a sentinel that watches for invaders and signals other cells
- 12. type of feedback system that the complement cascade is
- 13. molecules whose purpose is communication among different cells
- 14. where complement proteins are primarily produced
Down
- 1. portion of the antibody that binds to the antigen is called the _______ region
- 2. all immune cells are initially formed in the bone _______
- 3. gram ______ bacterial cell walls have a thick layer of peptidoglycan
- 4. type of B cells and T cells that don’t die after proliferation
- 6. an individual antibody binds to one specific
- 7. vesicle inside of a phagocyte that houses powerful chemicals and enzymes that can destroy bacteria
- 8. MHC II molecules provide information about problems occurring ______ the cell
- 9. what potential invader is considered a prokaryote