1. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Chapter 5 Dynamic Activities of Cells

2. Living Things Transform Energy

4. Figure 5.1 Potential energy versus kinetic energy

6. Figure 5.2 Flow of energy from the sun to an animal that eats a plant

8. Figure 5.3A The ATP cycle

10. Figure 5.4 Muscle contraction occurs when it is coupled to ATP breakdown

11. Enzymes Speed Chemical Reactions

13. Figure 5.5 The energy of activation (E a ) is lower when an enzyme is involved

15. Figure 5.6 Enzymatic action

17. Figure 5.7A The effect of temperature on the rate of an enzymatic reaction

19. Figure 5.8 Metabolic pathways and noncompetitive inhibition. In the pathway, A–E are substrates, E 1 –E 5 are enzymes, and F is the end product of the pathway.

21. The Plasma Membrane Has Many and Various Functions

23. Figure 5.10 Fluid-mosaic model of plasma membrane structure

25. Figure 5.11 Functions of plasma membrane proteins

28. The Plasma Membrane Regulates the Passage of Molecules Into and Out of Cells

30. Figure 5.13 Some molecules can simply diffuse across a membrane

33. Figure 5.15A During osmosis, net movement of water is toward greater solute concentration

35. Figure 5.15B Osmosis in animal and plant cells

37. Figure 5.16 During active transport, a substance moves contrary to its concentration gradient

39. Figure 5.17 Bulk transport into the cell is by endocytosis