Chapter 03 Cellular Structure, Proteins, and Metabolism

Chapter 03 Cellular Structure, Proteins, and Metabolism

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

Multiple Choice Questions

1. A major function of plasma membranes is to
   A.Store calcium ions
   B. Store organic chemicals for metabolism
   C. Provide genetic information
   D. Generate ATP
   E. Regulate the passage of molecules into and out of the cell

Bloom’s Level: 1. Remember
Section 3A.02
Topic: Cells
 

2. In the fluid-mosaic model of membrane structure,
   A.The proteins exist in a bilayer formation
   B. The phospholipids are tightly bound in place
   C. The term “mosaic” refers to the cholesterol component
   D. Integral proteins are amphipathic
   E. None of the choices are true

Bloom’s Level: 1. Remember
Section 3A.02
Topic: Cells
 

3. Cell membranes
   A.Are components of the cytosol
   B. Are passive barriers against the passage of molecules from one side to the other
   C. Consist primarily of protein and carbohydrate
   D. Consist primarily of phospholipids and protein
   E. Both are passive barriers against the passage of molecules from one side to the other and consist primarily of protein and carbohydrate are correct

Bloom’s Level: 1. Remember
Section 3A.02
Topic: Cells
 

4. Cholesterol
   A.Is slightly amphipathic
   B. Is a prominent lipid component of all membranes in a cell
   C. Allows the plasma membrane to form vesicles that deliver their contents to cell organelles
   D. Both is slightly amphipathic and is a prominent lipid component of all membranes in a cell are correct
   E. Both is slightly amphipathic and allows the plasma membrane to form vesicles that deliver their contents to cell organelles are correct

Bloom’s Level: 1. Remember
Section 3A.02
Topic: Cells
 

5. Phospholipids form effective barriers between the aqueous cytosol of cells and the aqueous extracellular fluid because they are
   A.Polar
   B. Nonpolar
   C. Lipids
   D. Rigid
   E. Amphipathic

Bloom’s Level: 2. Understand
Section 3A.02
Topic: Cells