Test Bank For Human Physiology 15Th Edition By Fox

Test Bank For Human Physiology 15Th Edition By Fox

Human Physiology, 15e (Fox)

Chapter 3   Cell Structure and Genetic Control

1) The ________ is the liquid portion of the cell between the plasma membrane and nucleus.

A) cytoskeleton

B) peroxisome

C) cytosol

D) phospholipids

Answer:  C

Section:  03.01

Topic:  Intracellular organization

Bloom’s:  1. Remember

Accessibility:  Keyboard Navigation

HAPS Outcome:  C06.01 Identify the three main parts of a cell, and list the general functions of each.

2) Choose the correct statement regarding the structure of the plasma membrane.

A) The hydrophobic center of the plasma membrane will restrict the movement of fat-soluble substances through the membrane.

B) The membrane is composed of water-soluble molecules, to allow the movement of water between the fluid compartments.

C) Carbohydrates in the plasma membrane can serve as a source of immediate energy for the cell.

D) The movement of proteins in the plasma membrane allows for cellular adaptations to the extracellular environment.

Answer:  D

Section:  03.01

Topic:  Membrane structure and function

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

HAPS Outcome:  C07.02 Describe how carbohydrates are distributed in

3) Proteins located on the surface of the plasma membrane can act as ________ for hormones.

A) receptors

B) enzymes

C) neurotransmitters

D) pseudopods

Answer:  A

Section:  03.01

Topic:  Membrane structure and function

Bloom’s:  2. Understand

Accessibility:  Keyboard Navigation

HAPS Outcome:  C07.03 Describe how proteins are distributed in a cell membrane, and explain their functions.

4) Proteins that are partially embedded on one side of the plasma membrane are ________.

A) integral proteins

B) transport proteins

C) peripheral proteins

D) fluid proteins

Answer:  C

Section:  03.01

Topic:  Membrane structure and function

Bloom’s:  1. Remember

Accessibility:  Keyboard Navigation

HAPS Outcome:  C07.03 Describe how proteins are distributed in a cell membrane, and explain their functions.

a cell membrane, and explain their functions.; C07.03 Describe how proteins are distributed in a cell membrane, and explain their functions.

5) The plasma membrane is referred to as a mosaic because of the presence of ________.

A) stationary proteins in a uniform arrangement

B) carbohydrates in changing patterns

C) phospholipids that are in constant motion

D) moving proteins in a random arrangement

Answer:  D

Section:  03.01

Topic:  Membrane structure and function

Bloom’s:  2. Understand

Accessibility:  Keyboard Navigation

HAPS Outcome:  C07.03 Describe how proteins are distributed in a cell membrane, and explain their functions.

6) The arrangement of ________ and ________ contributes to the flexibility of the plasma membrane.

A) protein; carbohydrate

B) cholesterol; protein

C) phospholipids; protein

D) cholesterol; phospholipids

Answer:  D

Section:  03.01

Topic:  Membrane structure and function

Bloom’s:  2. Understand

Accessibility:  Keyboard Navigation

HAPS Outcome:  C07.01 Describe how lipids are distributed in a cell membrane, and explain their functions.

7)  Which of the following is NOT a function of membrane proteins?

A) Transport

B) Energy production

C) Structural support

D) Receptors

Answer:  B

Section:  03.01

Topic:  Membrane structure and function

Bloom’s:  2. Understand

Accessibility:  Keyboard Navigation

HAPS Outcome:  C07.03 Describe how proteins are distributed in a cell membrane, and explain their functions.