1. Chapter 2 Chemical Basis of Life Molecular model of a Phospholipid PowerPoint Presentation to accompany Hole’s Human Anatomy and Physiology, 10 th edition , edited by S.C. Wache for Biol2064.01

2. You are responsible for the following figures and tables : Tab. 2.1 - important definitions. Tab. 2.3 - the first ten elements of the periodic table of elements, TB, p. 969. Fig. 2.3 - Learn how to distribute proteons and electrons Fig. 2.4 - learn how to distribute protons and electrons Fig. 2.8 - hydrogen bonds; example H 2 O. Fig. 2.6 - examples of structural and molecular formulas Read TB, p.44, on chemical reactions. Define 'isotope'. Tb, p.39. See Clin. Appl. 2.1, TB, p. 41. W hat is 131 I used for ? Tab. 2.4, 2.5; Fig. 2.10 - Study pH, bases and acids. Tab. 2.6: small inorganic molecules like water and carbon dioxide Tab. 2.8 – Macromolecules. Fig. 2.11 and 2.12; Fig. 2.15 and 2.16; Fig. 2.17 and 2.18 - note the formation of the covalent bond; Fig. 2.21.

6. Fig. 2.1

12. Fig.2.4: Ions are formed when atoms gain or lose electrons. Ionic bonds are formed by the attraction of oppositely charged ions

13. Fig.2.5: Covalent bonds are formed by the sharing of electrons between atoms.

14. Fig.2.8: Hydrogen bonds are weak bonds between polar molecules.

24. Fig. 2.10

27. Fig. 2.12: starch, fiber, glycogen are polysaccharides that are built of simple sugars.

34. Fig. 2.18

36. Fig. 2.19

39. Fig. 2.21a - RNA

40. : DNA Note the hydrogen bonds that hold the two strands together.