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This chapter reviews anatomy and physiology at the cellular level. Many important concepts are introduced including the Structure of the Cell, Life Cycle of the Cell, and Diversity and Differentiation of the Cell. The cell is the building block of the human body. The cell theory states that: cells are the basic structural units of all plants and animals; are the smallest functioning units of life; are produced only by the division of preexisting cells; and, each maintains homeostasis. Review of Chapter Objectives (with page no. references to text): 1. Discuss the basic concepts of the cell theory. (p. 54) 2. List the functions of the cell membrane and the structural features that enable it to perform those functions. ( pp. 57–58) 3. Describe the various mechanisms that cells use to transport substances across the cell membrane. (pp. 58–64) 4. Describe the organelles of a typical cell and indicate their specific functions. (p. 56) 5. Explain the functions of the cell nucleus. (p. 70) 6. Summarize the process of proton synthesis. (pp. 71–74) 7. Describe the process of mitosis and explain its significance. (pp. 75–77) 8. Define differentiation and explain its importance. (p. 77)
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