Across
- 3. Increased levels of protein in the urine.
- 8. The clumping of cells such as bacteria or red blood cells in the presence of an antibody or complement.
- 9. Are organic compounds that contain amino and carboxylate functional groups, along with a side chain (R group).
- 10. The metabolites of this compound are excreted through bile and urine, and elevated levels may indicate certain diseases.
- 13. These cells are flexible biconcave disks. They lack a cell nucleus and most organelles.
- 14. What are natural killer cells, T-cells and B-cells?
- 15. an instrument that can be used to observe small objects, such as cells, bacteria and viruses.
Down
- 1. a small colourless disc-shaped cell fragment without a nucleus, found in large numbers in blood and involved in clotting.
- 2. Its molecule comprises four subunits, each containing an iron atom bound to a haem group.
- 4. Is a peptide hormone produced by beta cells of the pancreatic islets.
- 5. The process by which an individual's immune system becomes fortified against an infectious agent (known as the immunogen).
- 6. Are smaller than animal and plant cells, but slightly larger than bacteria.
- 7. What kind of vitamins are A,K,D and E?
- 11. C6-H12-O6 is the molecular formula of this simple sugar.
- 12. You can see if there are antibodies attached to red blood cells (in vivo).