Chapter 3 Group Quiz
True/False
Indicate whether the statement is true or false.
____
1. Lipids are the main component of the cell membrane.
____
2. Both prokaryotic and eukaryotic cells have ribosomes.
____
3. Condensed chromatin form chromosomes.
____
4. The rough ER functions to make lipids and metabolize carbohydrates.
____
5. Microtubules are the smallest type of cytoskelton material.
____
6. Cilia and flagella are made of the cytoskeleton material microfilaments.
____
7. Active transport is also known as solute pumping.
____
8. Pinocytosis is a type of endocytosis in which the cell “drinks”.
____
9. The “tails” of a phospholipid molecule are considered to be polar.
____ 10. Human egg and sperm cells each have 23 chromosomes.
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____ 11. Which organelles contain enzymes that break down old cell parts?
a. centrosomes b. lysosomes c. vacuoles d. chloroplasts
____ 12. A solution that is hypotonic to a cell has
a. more solutes than the cell. b. fewer solutes than the cell. c. the same concentration of solutes as the cell.
d. too many solutes.
____ 13. Transport proteins play a role in both
a. passive and active transport. b. exocytosis and endocytosis. c. diffusion and osmosis. d. phagocytosis
and passive transport.
____ 14. Which process requires no energy from the cell?
a. exocytosis b. endocytosis c. active transport d. facilitated diffusion
____ 15. Which organelles are involved in the process called endocytosis?
a. ribosomes b. vesicles c. centrioles d. chloroplasts
____ 16. Which of the following is NOT a function of the cytoskeleton?
a. helps the cell maintain its shape b. helps the cell move c. prevents chromosomes from separating
d. helps organelles within the cell move
____ 17. Which sequence correctly traces the path of a protein in the cell?
a. rough endoplasmic reticulum, Golgi apparatus, released from the cell b. ribosome, smooth endoplasmic
reticulum, chloroplast c. smooth endoplasmic reticulum, lysosome, Golgi apparatus d. mitochondria, rough
endoplasmic reticulum, cell membrane
____ 18. The cell membrane contains channels and pumps that help move materials from one side to the other. What
are these channels and pumps made of?
a. carbohydrates b. lipids c. bilipids d. proteins
____ 19. Diffusion is the movement of molecules from
a. an area of low concentration to an area of high concentration. b. an area of high concentration to an area of
low concentration. c. an area of equilibrium to an area of high concentration. d. all of the above
____ 20. The fluid mosaic model describes a structure with ____.
a. polar layers on the outside and nonpolar layer on the inside b. nonpolar layers on the outside and a polar
layer on the inside c. polar layers on both inside and outside d. nonpolar layers on both inside and outside
____ 21. If cells are placed in a strong sugar solution, water will _____.
a. pass from the sugar solution to the cells b. pass from the cells to the sugar solution c. stay in the cell
d. pass back and forth
____ 22. Which component of cytoskeleton functions to move or transport cells and their organelles?
a. microfilaments b. microtubules c. intermediate filaments d. macrofilaments.
____ 23. Which organelle helps to form the spindle fibers that aid in mitosis (cell division).
a. lysosomes b. peroxisomes c. ribosomes d. centrioles
____ 24. Which of the following does NOT aid in facilitated diffusion?
a. protein carrier b. channel protein c. protein pump d. phospholipid bilayer
____ 25. In the DNA molecule, adenosine (A) always binds to ?
a. G b. C c. T d. U
____ 26.
This picture shows which type of process?
a. simple diffusion b. facilitated diffusion c. active transport d. exocytosis
____ 27. Which statement is true about a nucleus?
a. It is the site of enzyme storage. b. It is the site of energy conversion. c. It is surrounded by the nucleolus.
d. It is surrounded by a double membrane.
____ 28. During interphase a cell grows, duplicates organelles, and
a. copies DNA. b. divides the nucleus. c. divides the cytoplasm. d. produces a new cell.
____ 29. Why would the cells lining the stomach divide more quickly than those in the liver?
a. They are much smaller cells. b. They have fewer chromosomes. c. They need much more surface area.
d. They undergo more wear and tear.
____ 30. During which of the following cell cycle stages does the cytoplasm of a cell divide?
a. cytokinesis b. synthesis c. gap 2 d. mitosis
____ 31. Which phase is the longest phase in the cell cycle?
a. telophase b. metaphase c. anaphase d. interphase
____ 32. Which statement describes the chromosome shown in Figure 5.2?
a. It is made up of two histones. b. It is made up of two chromatids. c. It is made up of two centromeres.
d. It is made up of two telomeres.
____ 33. Which of the following is true of malignant tumors?
a. They do not require treatment. b. They are easily removed through surgery. c. They can cause tumors in
other parts of the body. d. They contain cells that stay clustered together.
____ 34. Figure 8.1 shows a single strand of DNA. Choose the first three nucleotides of the other DNA strand.
a. GGT b. CCT c. GGC d. TTA
____ 35. The main difference between the four nucleotides that make up DNA is that they have different
a. sugars. b. uracil. c. bonds. d. bases.
____ 36. In humans, where does DNA replication take place?
a. cytoplasm b. ribosome c. nucleus d. vacuole
____ 37. In which of the following phases do we see a nuclear membrane?
a. anaphase b. telophase c. metaphase d. none of the above
____ 38. Which of the following is TRUE?
a. mitosis is sexual and meiosis is asexual. b. mitosis produces diploid cells and meiosis produces haploid
cells. c. mitosis happens at certain human life points and meiosis is ongoing throughout life. d. mitosis
produces genetically unique cells and meiosis produces genetically identical cells.
____ 39. Figure 8.2 shows a single strand of DNA. Choose the first three nucleotides of the complementary RNA
strand.
a. AUT b. CTA c. AUC d. ACG
____ 40. The central dogma states that information flows from
a. DNA to RNA to proteins. b. RNA to DNA to polysaccharides. c. RNA to DNA to proteins. d. rRNA to
tRNA to mRNA.
____ 41. How many amino acids are coded for by the strand of mRNA shown below? Assume the reading frame
begins with the first nucleotide.
CGAUAC
a. 1 b. 2 c. 3 d. 6
____ 42.
This cell is going through which phase?
a. metaphase1 b. anaphase1 c. metaphase2 d. anaphase2
____ 43. Which one of the following molecules would NOT move passively through the lipid part of the cell
membrane?
a. Steroids b. oxygen gas c. carbon dioxide d. amino acids
____ 44. Cells lining the small intestine are known to assemble fats. Which cell organelle would be more abundant in
these cells?
a. Smooth ER b. Rough ER c. Peroxisomes d. Lysosomes
____ 45. Which of the following is NOT found in both prokaryotic and eukaryotic cells?
a. ribosomes b. mitochondria c. cell membrane d. cytoplasm/cytosol
Chapter 3 Group Quiz
Answer Section
TRUE/FALSE
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
T
T
T
F
F
F
T
T
F
T
MULTIPLE CHOICE
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32.
33.
34.
35.
36.
37.
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
B
B
A
D
B
C
A
D
B
A
B
B
D
C
C
B
D
A
D
A
D
B
C
C
D
C
B
STA: GA BIO.SB1.a
STA: GA BIO.SB1.c
STA: GA BIO.SB1.d
STA: 5.3
STA: GA BIO.SB1.a
STA: GA BIO.SB1.a
STA: GA BIO.SB2.b
STA: GA BIO.SB1.c | GA BIO.SB2.a | GA BIO.SB2.b
STA: GA BIO.SB2.b
STA: GA BIO.SB1.a | GA BIO.SB1.c | GA BIO.SB2.a
38.
39.
40.
41.
42.
43.
44.
45.
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
B
C
A
B
B
D
A
B
STA: GA BIO.SB2.a
STA: GA BIO.SB1.c | GA BIO.SB2.a | GA BIO.SB2.b
STA: GA BIO.SB2.a