Biology 1060 Chapter 7

1
Biology 1060Chapter 7

• Membrane Structure
• and Function

2
Cell Membrane

• Describe the properties of the cell membrane
• Discuss how their contribute to its function
• Describe the components of the cell membrane and
  their arrangements
• Discuss the current model of cell membranes
• Discuss each of the components and their
  relationship to fluidity

3
Membrane Proteins

• Discuss the locations and functions of membrane
  proteins
• Describe the mechanism by which membrane is
  acquired as secretion takes place

4
Selective Permeability

• Describe why selective permeability is important
• Give several examples of materials that cross
• Discuss how hydrophobic and hydrophilic molecules
  are affected by the membrane
• Describe the importance of transport proteins

5
Passive Transport

• Define diffusion
• Describe its mechanism and
• Describe its importance to the cell
• Define osmosis
• Discuss its importance to the cell
• Compare and contrast water balance in cells with
  and without cell walls

6
Passive Transport

• Compare and contrast the reactions of cells in
  a/n
• Hypotonic solution
• Isotonic solution
• Hypertonic solution
• Evolution Connection p. 140

7
Facilitated Diffusion

• Differentiate facilitated diffusion from simple
  diffusion
• Describe the reason facilitated diffusion is
  important
• Compare and contrast all mechanisms of transport
  across membranes

8
Active Transport

• Describe why active transport is needed
• Describe how active transport is accomplished
• Describe the sodium-potassium pump and its effect
  on the cell
• Describe how an electrogenic pump helps a cell
• Discuss its transport
• Scientific Inquiry p. 140

9
Bulk Transport

• Discuss why bulk transport is necessary
• Compare and contrast endocytosis and exocytosis
• Compare the results associated with
• Endocytosis
• Phagocytosis
• Pinocytosis
• Receptor-mediated endocytosis
• Science, Technology, and Society p. 140