The document discusses the chemical composition of cells, including inorganic elements like water and organic compounds like carbohydrates, lipids, proteins, and nucleic acids. It describes the structures and functions of these biomolecules, as well as enzymes, which are proteins that catalyze biochemical reactions. Factors that affect the rate of enzymatic reactions like pH, temperature, and substrate and enzyme concentrations are also covered.

1. chemical composistion of the cell

3. Elements of the cell

6. Water molecules

8. Organic compound in the cell Basic element: C, H, O

10. Monosaccharide Disaccharide Polysaccharide Carbohydrate

12. Glucose Fructose Galactose Monosaccharides

19. Sucrose Maltose Lactose Disaccharide

23. polysaccharides . strach - plant cell storage . glycogen - animal cell storage . cellulose - cell wall

26. Fatty acid Glycerol lipids

27. List the importance of lipids

32. proteins . contain C, H, O, N, S . smallest unit = amino acid . combine -by peptide bond . dipeptide . polypeptide

33. List the importance of proteins:

39. Polypeptide chain

40. Various protein structures e.g.: hormone insulin e.g.: hormone, antibodies, enzyme e.g.: hemoglobin

46. enzyme

47. what is enzyme?

50. student presentation

51. . proteins . biological catalyst . speed up biochemical reation

53. “ ase” endings: sucrase maltase lactase naming of enzymes Name according to substrate it catalyst A few enzymes are named before : pepsin, trypsin, rennin

61. Factors affecting the rate of enzymatic reactions

63. Rate of enzyme reaction pH 7 1 14 Pepsin [stomach] Amylase [mouth] Amylase [duodenum]

65. TEMPT [c] Rate of enzyme reaction 37 60 0

68. The effect of pH/ temperature on enzymatic activities Design an experiment :