Test Bank For The Human Body in Health and Illness 5th Edition By Herlihy
Chapter 3: Cells Test Bank
MULTIPLE CHOICE
1. Which of the following is considered the control center of the cell?
|
a. |
Mitochondrion |
|
b. |
Nucleus |
|
c. |
Lysosome |
|
d. |
Centriole |
ANS: B
2. The mitochondrion is called the power plant of the cell because _____ within the mitochondrion.
|
a. |
most of the ATP is produced |
|
b. |
all protein synthesis occurs |
|
c. |
all DNA is located |
|
d. |
all ribosomes are located |
ANS: A
3. Which of the following is (are) found on the rough endoplasmic reticulum?
|
a. |
Ribosomes |
|
b. |
Cilia |
|
c. |
Lysosomes |
|
d. |
DNA |
ANS: A
4. The rough ER is the site of
|
a. |
fatty acid and steroid synthesis. |
|
b. |
Krebs cycle activity. |
|
c. |
protein synthesis. |
|
d. |
intracellular water storage. |
ANS: C
5. Which of the following is most associated with the ribosome?
|
a. |
ATP production |
|
b. |
Intracellular housecleaning |
|
c. |
Glycogen storage |
|
d. |
Protein synthesis |
ANS: D
6. What is the transport mechanism in this description: A passive process that “pulls” water from an area where there is more water to an area where there is less water?
|
a. |
Filtration |
|
b. |
Endocytosis |
|
c. |
An ATP-driven pump |
|
d. |
Osmosis |
ANS: D
7. What is the transport mechanism in this description: A passive process that uses a pressure difference as its driving force?
|
a. |
Facilitated diffusion |
|
b. |
An ATP-driven pump |
|
c. |
Diffusion |
|
d. |
Filtration |
ANS: D
8. A beaker is divided into two compartments by a semipermeable membrane. Compartment A contains a 20% NaCl solution and compartment B contains a 50% NaCl solution. The membrane is permeable to water but not to Na or Cl–. Initially,
|
a. |
water diffuses from compartment B to compartment A. |
|
b. |
Na diffuses from compartment B to compartment A. |
|
c. |
Na diffuses from compartment A to compartment B. |
|
d. |
water diffuses from compartment A to compartment B. |
ANS: D
9. A beaker is divided into two compartments by a semipermeable membrane. Compartment A contains a 20% NaCl solution and compartment B contains a 50% NaCl solution. The membrane is permeable to water but not to Na or Cl–. At equilibrium, the
|
a. |
volume of water in compartment A will be greater than the volume in compartment B. |
|
b. |
volume in both compartments A and B will be equal. |
|
c. |
concentration of compartment A will decrease. |
|
d. |
volume in compartment B will be greater than the volume in compartment A. |
ANS: D
10. A beaker is divided into two compartments by a semipermeable membrane. Compartment A contains a 20% NaCl solution while compartment B contains a 50% NaCl solution. The membrane is permeable to both water and Na and Cl–. Initially,
|
a. |
Na and Cl– diffuse from compartment B to compartment A. |
|
b. |
water diffuses from compartment B to compartment A. |
|
c. |
Na and Cl– diffuse from compartment A to compartment B. |
|
d. |
Na diffuses from compartment A to compartment B and Cl– diffuses from compartment B to compartment A. |
ANS: A
11. A beaker is divided into two compartments by a semipermeable membrane. Compartment A contains a 20% NaCl solution and compartment B contains a 50% NaCl solution. The membrane is permeable to both water and Na and Cl–. At equilibrium, the
|
a. |
volume in compartment A will be greater than the volume in compartment B. |
|
b. |
volume in compartment B will be greater than the volume in compartment A. |
|
c. |
concentrations and volumes will be the same in both compartments. |
|
d. |
concentration of salt is greater in compartment A than in compartment B. |
ANS: C
12. What are the hairlike structures located on the outer surface of the cell membrane?
|
a. |
Mitochondria |
|
b. |
Ribosomes |
|
c. |
Cilia |
|
d. |
Centrioles |
ANS: C
13. What is the extensive internal membrane system that forms channels and is concerned with the synthesis of protein and steroids?
|
a. |
Mitochondria |
|
b. |
Lysosomes |
|
c. |
Endoplasmic reticulum |
|
d. |
DNA |
ANS: C
14. Lysosomes are filled with
|
a. |
powerful enzymes that destroy cellular debris and pathogens. |
|
b. |
cilia. |
|
c. |
DNA. |
|
d. |
blood. |
ANS: A
15. Which of the following best describes the power or driving force for active transport?
|
a. |
ATP |
|
b. |
Pressure |
|
c. |
DNA |
|
d. |
H |
ANS: A
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