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Test Bank For The Human Body in Health and Illness 5th Edition By Herlihy

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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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