Chapter 6: Cell Membranes

 

Complete Chapter Questions With Answers

 

Sample Questions Are Posted Below

 

Multiple Choice

 

1. The compounds in biological membranes that form a barrier to the movement of hydrophilic materials across the membrane are
2. integral membrane proteins.
3. carbohydrates.
4. lipids.
5. nucleic acids.
6. peripheral membrane proteins.

Answer: c

Textbook Reference: 6.1 What Is the Structure of a Biological Membrane?

Page: 106

Bloom’s Category: 1. Remembering

 

2. The plasma membrane of animals contains carbohydrates
3. on the inner side of the membrane, facing the cytosol.
4. on the outer side of the membrane, protruding into the environment.
5. on both sides of the membrane.
6. on neither side of the membrane.
7. within the membrane.

Answer: b

Textbook Reference: 6.1 What Is the Structure of a Biological Membrane?

Page: 106

Bloom’s Category: 1. Remembering

 

3. Biological membranes are composed of
4. nucleotides and nucleosides.
5. enzymes, electron acceptors, and electron donors.
6. fatty acids.
7. monosaccharides.
8. lipids, proteins, and carbohydrates.

Answer: e

Textbook Reference: 6.1 What Is the Structure of a Biological Membrane?

Page: 107

Bloom’s Category: 1. Remembering

 

4. In biological membranes, the phospholipids are arranged in a _______, with the _______.
5. bilayer; fatty acids pointing toward each other
6. bilayer; fatty acids facing outward
7. single layer; fatty acids facing the interior of the cell
8. single layer; phosphorus-containing region facing the interior of the cell
9. bilayer; phosphorus groups in the interior of the membrane

Answer: a

Textbook Reference: 6.1 What Is the Structure of a Biological Membrane?

Page: 107

Bloom’s Category: 1. Remembering

 

5. Which of the following statements about the proteins of the plasma membrane and the proteins of the inner mitochondrial membrane is true?
6. Both membranes have only peripheral proteins.
7. Only the mitochondrial membrane has integral proteins.
8. Only the mitochondrial membrane has peripheral proteins.
9. All of the proteins from both membranes are hydrophilic.
10. The two membranes differ in their lipid composition.

Answer: e

Textbook Reference: 6.1 What Is the Structure of a Biological Membrane?

Page: 108

Bloom’s Category: 2. Understanding