Hole's Human Anatomy and Physiology (Shier), 13th Edition

Chapter 3: Cells

Pre-Test

Learning Outcome 3.1

1
What is the basic structural unit of the body?
A)tissue
B)organ
C)organelle
D)cell

Learning Outcome 3.6

2
The following terms belong together except which one?
A)protein
B)phospholipid
C)hydrophilic ends
D)hydrophobic ends

Learning Outcome 3.6

3
The selective movement of ions through a membrane occurs through areas called _____.
A)pores
B)peripheral protein regions
C)channels
D)receptors

Learning Outcome 3.9

4
Insulin usually increases the movement of glucose through a cell membrane by a process called _____.
A)facilitation diffusion
B)osmosis
C)active transport
D)pinocytosis

Learning Outcome 3.14

5
The process, which divides the cytoplasm in half, is specifically termed _____.
A)karyokinesis
B)cytokinesis
C)mitosis
D)meiosis

Learning Outcome 3.18

6
Oncogenes are gene segments that normally act to inhibit the formation of abnormal cancer cells.
A)True
B)False

Learning Outcome 3.6

7
The cell membrane is the fixed, outer layer of a cell that functions like a filter to prevent certain molecules from escaping the cell.
A)True
B)False

Learning Outcome 3.6

8
The cell membrane and nucleus are usually visible with light microscopy.
A)True
B)False

Learning Outcome 3.6

9
The phospholipid molecules of a membrane are arranged to have their phosphate ends facing the exterior surface.
A)True
B)False

Learning Outcome 3.6

10
Cholesterol is a lipid that tends to make cell membranes more rigid with it than without it.
A)True
B)False
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