Test bank for Animal Physiology 4th edition by Hill

Test bank for Animal Physiology 4th edition by Hill

Chapter 2: Molecules and Cells in Animal Physiology
TEST BANK QUESTIONS
Multiple Choice
1. Which molecule is part of a cell membrane?
a. Cholesterol
b. Ubiquitin
c. Cyclic AMP
d. Calmodulin
Answer: a
Textbook Reference: Cell Membranes and Intracellular Membranes
Bloom’s Category: 4. Analyzing

2. A molecule that consists of a polar portion and a nonpolar portion is said to be
a. hydrophilic.
b. hydrophobic.
c. an integral protein.
d. amphipathic.
Answer: d
Textbook Reference: Cell Membranes and Intracellular Membranes
Bloom’s Category: 1. Remembering

3. A saturated hydrocarbon tends to
a. be more liquid at colder temperatures compared to an unsaturated hydrocarbon.
b. be more solid at colder temperatures compared to an unsaturated hydrocarbon.
c. contain many double bonds.
d. contain fewer carbon–carbon bonds compared to an unsaturated hydrocarbon.
Answer: b
Textbook Reference: Cell Membranes and Intracellular Membranes
Bloom’s Category: 2. Understanding
4. Compared to fish found in lower temperature habitats, fish that inhabit higher
temperatures tend to have more
a. saturated phospholipids in their brain synaptic membranes.
b. saturated phospholipids in their brain proteins.
c. unsaturated phospholipids in their brain synaptic membranes.
d. unsaturated phospholipids in their brain proteins.
Answer: a
Textbook Reference: Cell Membranes and Intracellular Membranes
Bloom’s Category: 3. Applying

5. Which membrane protein is responsible for the passive movement of K+
across the
typical animal cell membrane?
a. Channel
b. Enzyme
c. Transporter
d. Receptor
Answer: a
Textbook Reference: Cell Membranes and Intracellular Membranes
Bloom’s Category: 2. Understanding

6. When a protein is denatured, which of the following structures is disrupted first?
a. Primary
b. Secondary
c. Tertiary
d. Quarternary
Answer: c
Textbook Reference: Cell Membranes and Intracellular Membranes
Bloom’s Category: 1. Remembering

7. Which molecule is a functional membrane protein?
a. Acetylcholine
b. Cholesterol
c. The Na+
‒K
+
pump
d. Calmodulin
Answer: c
Textbook Reference: Cell Membranes and Intracellular Membranes
Bloom’s Category: 5. Evaluating

8. A ring of _______ demarcates the apical surface of the cell from its lateral and basal
surfaces.
a. tight junctions
b. septate junctions
c. gap junctions
e. microvilli
Answer: a
Textbook Reference: Epithelia
Bloom’s Category: 2. Understanding

9. Which of the following is considered a communicating junction?
a. Gap junction
b. Tight junction
c. Septate junction
d. Desmosome
Answer: a
Textbook Reference: Epithelia
Bloom’s Category: 1. Remembering

10. _______ is(are) the specific set of processes by which complex chemical compounds
are broken down to release energy, create smaller chemical building blocks, or prepare
chemical constituents for elimination.
a. Metabolism
b. Catabolism
c. Anabolism
d. Biochemical reactions
Answer: b
Textbook Reference: Elements of Metabolism
Bloom’s Category: 1. Remembering