Cellular Structure and Transport Chapter 4 - Intro and section 1

- Explain the significance of compartmentalization of materials in a cell

- Why is a cell’s limited? Explain what happens to the surface to volume ration as a cell grows as well as its effect on the viability of the cell.

Chapter 4 - Intro and section 1

- Compare and contrast the pros and cons of light and electron microscopy

- how can we chemically analyze the structures of a cell

- Compare and contrast prokaryotic and eukaryotic cells in terms of size, structure and complexity

Chapter 4 - Intro and section 1

- Compare and contrast prokaryotic and eukaryotic cells in terms of size, structure and complexity

Chapter 4 - section 5

- Describe the structure of the cell wall for plants and bacteria including:

structural compositionFunctionsmechanisms by which molecules move

through it

Chapter 5.1

- Discuss the location and role each of the following play in the plasma membrane

- phospholipids - Integral, peripheral, transmembrane

proteins - Cholesterol - glycolipids/glycoproteins

- Be able to relate the chemical composition of each of the above to their location in the membrane

Chapter 5.2

- Differentiate between passive and active transport in terms of energy requirements and concentration gradient

- What criteria determine whether a molecule can pass through the phospholipid bilayer using simple diffusion?

- How does facilitated diffusion differ? Provide several examples.

Chapter 5.2

- differentiate between each of the following: channel proteincarrier proteinvoltage-gated channelligand gated channel

Chapter 5.2 and Chapter 25.3

- In what ways can water move across the membrane?

- What do the terms hypertonic, hypotonic and isotonic mean and how do they relate to the movement of water?

-How is the movement of water influenced by more than solute concentration in plants? - Turgor pressure? Water potential?

- How do transpiration and water potential work together to make sure water moves up the xylem of a plant?

Chapter 5.3

- How does active transport differ?

- under what circumstances would a cell need to use active transport to move a substance?

- describe how the sodium potassium pump works

Chapter 5.4

- Bulk transport – how do cells use vesicles to move large quantities in and out of the cell

phagocytosis

pinocytosis

receptor mediated endocytosis