Chapter 3 Test Review

003 Chapter 3
Created: 9:00:50 AM CDT
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1. 
Endoplasmic reticulum is best described as a 
 
A.  
formless liquid.
 
B.  
cellular inclusion.
 
C.  
network of interconnected membranes.
 
D.  
membranous sac.
2. 
Ribosomes are composed largely of protein and 
 
A.  
lipid.
 
B.  
DNA.
 
C.  
RNA.
 
D.  
carbohydrate.
3. 
A nucleolus is composed largely of 
 
A.  
RNA and protein.
 
B.  
RNA and lipid.
 
C.  
DNA and protein.
 
D.  
DNA and lipid.
4. 
Vesicles are formed by an action of the 
 
A.  
lysosomal membrane.
 
B.  
nuclear membrane.
 
C.  
cell membrane.
 
D.  
endoplasmic reticulum.
5. 
Membrane proteins function as 
 
A.  
receptors.
 
B.  
pores.
 
C.  
selective channels.
 
D.  
all of the choices are correct.
6. 
If the concentration of glucose in the water outside of a cell is higher than the concentration inside 
 
A.  
water will tend to enter the cell by osmosis.
 
B.  
water will tend to leave the cell by osmosis.
 
C.  
glucose will tend to enter the cell by osmosis.
 
D.  
glucose will tend to leave the cell by osmosis.
7. 
Movement of molecules through a membrane by filtration depends upon the presence of 
 
A.  
osmotic pressure.
 
B.  
hydrostatic pressure.
 
C.  
atmospheric pressure.
 
D.  
none of the choices are correct.
8. 
If a solution outside of a cell contains a greater concentration of dissolved particles than the
contents of the cell, the solution is said to be 
 
A.  
isotonic.
 
B.  
iso-osmotic.
 
C.  
hypertonic.
 
D.  
hypotonic.
9. 
Which of the following cellular processes requires the greatest expenditure of cellular energy? 
 
A.  
diffusion
 
B.  
osmosis
 
C.  
active transport
 
D.  
dialysis
10. 
Which of the following processes involves the use of specific carrier molecules? 
 
A.  
phagocytosis
 
B.  
pinocytosis
 
C.  
active transport
 
D.  
dialysis
11. 
Which of the following lists includes the phase of mitosis in the correct sequence? 
 
A.  
prophase, metaphase, telophase, anaphase
 
B.  
prophase, metaphase, anaphase, telophase
 
C.  
telophase, prophase, metaphase, anaphase
 
D.  
anaphase, metaphase, prophase, telophase
12. 
Because of mitosis and cytoplasmic division, the resulting cells contain 
 
A.  
identical chromosomes.
 
B.  
identical DNA information.
 
C.  
Both identical chromosomes and identical DNA information are true.
 
D.  
Neither identical chromosomes nor identical DNA information is true.
13. 
Differentiation seems to result from different 
 
A.  
DNA information being "turned on" in different cells.
 
B.  
cells possessing different kinds of DNA information.
 
C.  
cells possessing different kinds of chromosomes.
 
D.  
None of the choices are correct.
14. 
Mitochondria function to 
 
A.  
manufacture protein.
 
B.  
release energy from glucose molecules.
 
C.  
digest lipid molecules.
 
D.  
move chromosomes from place to place.
15. 
During the metaphase of mitosis, chromosomes 
 
A.  
line up between the centrioles.
 
B.  
change into chromatin.
 
C.  
migrate to opposite poles of the cell.
 
D.  
are surrounded by a nuclear membrane.
16. 
The decrease in skeletal muscle size following a prolonged period of inactivity is most
closely associated with the activity of 
 
A.  
peroxisomes.
 
B.  
lysosomes.
 
C.  
centrosomes.
 
D.  
ribosomes.
17. 
Dialysis is most closely associated with 
 
A.  
the artificial heart.
 
B.  
the artificial kidney.
 
C.  
osmosis.
 
D.  
facilitated diffusion.
18. 
During hemodialysis, if the concentration of glucose in the blood is higher than the
concentration of glucose in the dialyzing fluid, 
 
A.  
glucose concentration of the blood will increase.
 
B.  
glucose concentration of the dialyzing fluid will increase.
 
C.  
glucose concentration of the dialyzing fluid will decrease.
 
D.  
glucose concentrations in the blood and dialyzing fluid will remain unchanged.
19. 
Which of the following is isotonic to red blood cells? 
 
A.  
0.9 percent NaCl solution
 
B.  
distilled water
 
C.  
0.9 percent glucose solution
 
D.  
None of the choices are correct.
20. 
The tendency for cancer cells to have abnormalities in cellular structures is called 
 
A.  
hyperplasia.
 
B.  
anaplasia.
 
C.  
metastasis.
 
D.  
malignancy.
21. 
Which of the following factors is associated with causing cancer? 
 
A.  
virus infections
 
B.  
altered genes
 
C.  
exposure to radiation
 
D.  
All of the choices are correct.
22. 
Chemotherapy usually makes use of drugs that affect the cancer cell's 
 
A.  
nuclear membranes.
 
B.  
cytoplasmic membranes.
 
C.  
DNA molecules.
 
D.  
lysosomes.
23. 
Which of the following is characteristic of aging cells? 
 
A.  
Golgi apparatus becomes fragmented.
 
B.  
Lipid inclusions accumulate.
 
C.  
Glycogen-containing structures decrease.
 
D.  
All of the choices are correct.
24. 
Tay-Sachs disease involves a cellular defect in 
 
A.  
membrane structure.
 
B.  
lysosomal enzymes.
 
C.  
ciliary activity.
 
D.  
mitotic spindles.
25. 
Cytoplasm occurs between the cell membrane and the nuclear envelope of a cell. 
26. 
A lysosome is an example of a cellular organelle. 
 
27. 
Mitochondria function to manufacture proteins. 
 
28. 
Osmosis is a special case of diffusion. 
 
29. 
During the metaphase of mitosis, chromosomes line up between the two centrioles. 
 
30. 
The anaphase of mitosis involves centromeres separating and duplicate parts of chromosomes
becoming separated. 
 
31. 
A cell that secretes a large quantity of proteins (i.e., pancreas secreting insulin) would have a
larger number of lysosomes for this function. 
 
32. 
A 5 percent solution of glucose is isotonic to human cells. 
 
33. 
Osmosis is a special form of ___________. 
 
34. 
 
A membrane that allows some substances to pass through while excluding others would
be called __________. 
 
35. 
 
Chemically, a cell membrane is composed largely of protein and _______. 
 
36. 
 
Rough endoplasmic reticulum has __________attached to its surface. 
 
37. 
 
The organelle that functions to "refine and package" cellular proteins for secretion is
the __________. 
 
38. 
 
An organelle that can be described as a fluid-filled membranous sac whose inner lining
is folded to form partitions is a(an) _____________. 
 
39. 
 
The spreading of molecules of ions from a region of higher concentration toward a region
of lower concentration is called ___________. 
 
40. 
 
The process by which glucose can pass through a cell membrane by combining with special
carrier molecules is called __________. 
 
41. 
 
Movement of sodium ions from a region of lower concentration inside a cell toward a
region of higher concentration outside the cell is accomplished by _____________. 
 
42. 
 
Tiny droplets of liquid can pass through a cell membrane by the process called __________.