Please answer all questions. The numbers at the end of each question refer to the textbook page where the question topic is discussed.
 |
1 | |
Cells were first observed as boxlike cavities in cork by (49) |
| | A) | Schleiden |
| | B) | Schwann |
| | C) | Hooke |
| | D) | both a and b |
|
|
2 | |
The cell theory states that living organisms are composed of (49) |
| | A) | proteins |
| | B) | fats |
| | C) | lipids |
| | D) | none of the above |
|
|
3 | |
Which human cell can be seen with the unaided eye? (49) |
| | A) | an ovum |
| | B) | a red blood cell |
| | C) | a squamous cell |
| | D) | both a and c |
|
|
4 | |
Oxygen is found as what percentage of body weight in the human organism? (50) |
| | A) | 95% |
| | B) | 65% |
| | C) | 18% |
| | D) | 10% |
|
|
5 | |
Which is not an organic compound within a cell? (50) |
| | A) | a protein |
| | B) | a carbohydrate |
| | C) | a lipid |
| | D) | water |
|
|
6 | |
Water functions as a reactant in the breakdown, or ________, of food. (51) |
| | A) | metabolism |
| | B) | hydrolysis |
| | C) | hydrophobia |
| | D) | emulsification |
|
|
7 | |
The ratio of hydrogen to oxygen in carbohydrate compounds is (52) |
| | A) | 1:1 |
| | B) | 2:1 |
| | C) | 2:2 |
| | D) | 2:3 |
|
|
8 | |
Which of the following is not a major component of a cell? (53) |
| | A) | a nucleus |
| | B) | a cell membrane |
| | C) | chromoplasm |
| | D) | protoplasm |
|
|
9 | |
The process of passive movement of molecules from regions of higher concentration toward regions of lower concentration is called (55) |
| | A) | osmosis |
| | B) | active transport |
| | C) | diffusion |
| | D) | filtration |
|
|
10 | |
The principle source of energy for the filtration that occurs within the kidneys is (55) |
| | A) | cellular energy |
| | B) | blood pressure |
| | C) | molecular motion |
| | D) | carrier energy |
|
|
11 | |
The permeability of the cell membrane depends on each of the following factors except the (54) |
| | A) | size of the molecules |
| | B) | ionic charge |
| | C) | speed of molecular movement |
| | D) | presence of carrier molecules |
|
|
12 | |
Cell membranes in contact with the lumen of the GI (gastrointestinal) tract are highly specialized to permit (54) |
| | A) | absorption |
| | B) | nucleoplasm retention |
| | C) | ectoplasmic retention |
| | D) | filtration |
| | E) | both a and d |
|
|
13 | |
A hearing sensation within the spiral organ (organ of Corti) of the inner ear is initiated through the tactile stimulation of the specialized cilialike receptors called (57) |
| | A) | hair cells |
| | B) | microvilli |
| | C) | stereocilia |
| | D) | auditory filaments |
|
|
14 | |
Protoplasm includes the (57) |
| | A) | cytoplasm |
| | B) | nucleoplasm |
| | C) | ectoplasm |
| | D) | both a and b |
|
|
15 | |
Ribosomes are small, granularlike organelles that (57) |
| | A) | provide cellular energy in the form of ATP |
| | B) | synthesize proteins |
| | C) | function as carrier molecules |
| | D) | synthesize carbohydrates |
|
|
16 | |
Mitochondria are double-membraned, saclike organelles that (58) |
| | A) | synthesize carbohydrates and form glycoproteins |
| | B) | regulate the transport of RNA molecules |
| | C) | synthesize proteins |
| | D) | control the production of cellular energy in the form of ATP |
|
|
17 | |
Phagocytic activity is made possible by the enzymatic function of the (59) |
| | A) | vacuoles |
| | B) | lysosomes |
| | C) | Golgi apparatus |
| | D) | smooth ER |
|
|
18 | |
The term DOUBLE HELIX best describes the (65) |
| | A) | appearance of a spiraled chromosome |
| | B) | structure of the nucleotides in deoxyribonucleic acid |
| | C) | series of spindle fibers attached to the centrioles during prophase |
| | D) | equatorial plate during prophase |
|
|
19 | |
Which of the following is not a type of nitrogenous base in a DNA molecule? (65) |
| | A) | guanine |
| | B) | thymine |
| | C) | atropine |
| | D) | cytosine |
|
|
20 | |
In which phase of the cell cycle does the replication of the DNA occur? (70) |
| | A) | G1 phase |
| | B) | S phase |
| | C) | M phase |
| | D) | G2 phase |
|
|
21 | |
Cytokinesis is the |
| | A) | division of the cytoplasm during cell division |
| | B) | splitting of the chromosomes at the equatorial plate |
| | C) | division of the chromosomes during cell division |
| | D) | replication of the DNA molecule |
|
|
22 | |
Which of the following series of events of mitosis is in correct sequence? (70) |
| | A) | telophase, anaphase, metaphase, prophase |
| | B) | prophase, telophase, metaphase, anaphase |
| | C) | anaphase, prophase, metaphase, telophase |
| | D) | prophase, metaphase, anaphase, telophase |
|
|
23 | |
In which stage of mitosis do daughter chromosomes reach their respective poles? (71) |
| | A) | telophase |
| | B) | prophase |
| | C) | metaphase |
| | D) | anaphase |
|
|
24 | |
In which stage of mitosis do chromatic pairs line up on the equatorial plane? (71) |
| | A) | telophase |
| | B) | prophase |
| | C) | metaphase |
| | D) | anaphase |
|
|
25 | |
In which stage of mitosis do distinct chromosomes form from nuclear chromatin? (71) |
| | A) | telophase |
| | B) | prophase |
| | C) | metaphase |
| | D) | anaphase |
|
|
26 | |
Compensatory hypertrophy in muscles is characterized by a (n) (72) |
| | A) | increase in the number of cells |
| | B) | increase in cellular mass in response to increased work |
| | C) | increase in cellular mass due to increased protein absorption |
| | D) | greater amount of blood flow to the muscle cells |
|
|
27 | |
Specialized cellular change in which one type of cell transforms into another is known as (72) |
| | A) | hyperplasia |
| | B) | metaplasia |
| | C) | atrophy |
| | D) | hypertrophy |
|
|
28 | |
Which of the following is true? (73) |
| | A) | Cancerous cells divide more rapidly than regular cells |
| | B) | Cancerous cells divide at about the same rate as regular cells. |
| | C) | Cancerous cells are more resistant to death than regular cells. |
| | D) | Both a and c are true. |
|
|
29 | |
The lattice of microfilaments and microtubules within a cell forms the (61) |
| | A) | cytoskeleton |
| | B) | cell membrane |
| | C) | endoplasmic reticulum |
| | D) | cell filaments |
|
|
30 | |
________ are nitrogen containing organic compounds composed of amino acid molecules. (51) |
| | A) | Lipids |
| | B) | Proteins |
| | C) | Carbohydrates |
| | D) | Nitrates |
|
|
31 | |
Which of the following is not an inorganic substance? (51) |
| | A) | water |
| | B) | protein |
| | C) | acid |
| | D) | salt |
|
|
32 | |
Which of the following is false regarding water? (51) |
| | A) | Water is an excellent solvent for transporting solutes across a cell membrane. |
| | B) | Water maintains a constant cell temperature. |
| | C) | Water functions in hydrolysis of food. |
| | D) | all of the above are true |
|
|
33 | |
Which of the following is not a function of ions? (51) |
| | A) | control of water movement through cells |
| | B) | maintenance of normal pH balance |
| | C) | insulation of organs |
| | D) | conduction of electrical currents |
|
|
34 | |
Which of the following is not a component of the cell membrane? (53) |
| | A) | DNA |
| | B) | large globular proteins |
| | C) | phospholipids |
| | D) | carrier molecules |
|
|
35 | |
Which of the following processes does not require ATP? (55) |
| | A) | active transport |
| | B) | filtration |
| | C) | pinocytosis |
| | D) | phagocytosis |
|
|
36 | |
Rheumatoid arthritis can result from abnormalities in ________ function. (60) |
| | A) | lysosome |
| | B) | lysozyme |
| | C) | Golgi apparatus |
| | D) | phagocyte |
|
|
37 | |
Which of the following is not a specialization of the cell membrane? (61) |
| | A) | microvilli |
| | B) | hair cells |
| | C) | cilia |
| | D) | sacs |
|
|
38 | |
In an average healthy adult, over ________ cells will die and be mitotically replaced during a 24-hour period. (65) |
| | A) | 100 billion |
| | B) | 1 trillion |
| | C) | 10 billion |
| | D) | 100 million |
|
|
39 | |
Which of the following is not a component of DNA? (65) |
| | A) | a phosphate group |
| | B) | adenine |
| | C) | thymine |
| | D) | ribose |
|
|
40 | |
In which phase does synthesis of the enzymes and other proteins needed for division occur? (70) |
| | A) | S1 phase |
| | B) | G1 phase |
| | C) | G2 phase |
| | D) | M phase |
|
|
41 | |
The science concerned with developmental defects and the diagnosis, treatment, and prevention of malformations is known as (73) |
| | A) | embryology |
| | B) | neonatology |
| | C) | teratology |
| | D) | pathoembryology |
|
2002 McGraw-Hill Higher Education