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Across 3. Location of B lymphocyte maturation 8. Immunity that occurs in blood serum, produces antibodies 9. Produces ATP, during aerobic respiration 14. The process by which organelles are seperated out 15. Specific and bind to antigens 18. Monomers of carbohydrates 19. Three fatty acids and a Glycerol make up a? 21. Transport mechanism by which sodium and glucose enter cells of small intestine 22. The making of bonds forming water 24. The breaking of bonds using water 25. A structure that move mucus laden debris from airways 26. Type of diffusion. High to low using channel proteins 27. The presence of one or more double bonds 29. When antigens are constantly changing. This is _________ variability 30. Contains digestive enzymes to destroy old organelles 33. The valves at the base of the arteries in the heart 35. Antibodies produced from a single clone of a B lymphocyte 36. Usually protein based, triggers immune response 41. The type of bond in a disaccharide 42. The arteries that carry oxygenated blood to heart muscles and tissues 44. An organsim that casues disease 45. Location of T lymphocyte maturation 46. Using enzymes to break large molecules into small molecules 47. Biochemical test for Reducing sugars. Brick red result positive 48. The type of B lymphocyte that produces antibodies

Down 1. Immunity that occurs in cells, destroys pathogens 2. Biochemical test for Proteins. Purple result positive 4. Tuberculosis pathogen ______ tuberculosis 5. The process of engulfing and digesting a pathogen 6. A cell type that lacks a true nucleus 7. The type of bond in a dipeptide 10. The ability to distinguish between two structures that are close together as seperate entities? 11. The valves between atria and ventricles 12. When many factors contribute to a disease 13. The process by which cells are broken up 16. Two theories of enzyme action. Lock & Key and ? 17. Two fatty acids, a phosphate group and a Glycerol make up a? 20. The node responsible for sending out a wave of excitation in the heart 23. The movement of water from high wp to low wp 28. Monomers of proteins 31. Smoking realted condition. Decrease in lung surface area 32. Biochemical test for lipids. cloudy white layer result positive 34. The formation of fatty material under the enothelial layer of arteries 37. A solution with the same water potential as your cells 38. Cholera pathogen ______ cholerae 39. Process, packages and modifies proteins 40. The organ that produces digestive enzymes 43. A C=O,OH group on protein monomer