Biology Block (5 pts)
______ Name______________________________________________
Dr.
Wexler
Cell Structure/Function Unit Test
Date_______
Part I. Matching
Questions
1-37 (1pt each)
Choose
from the following terms:
Cell Membrane
Cell Wall
Chloroplast
Endoplasmic Reticulum
Golgi Body
Lysosomes
Mitochondrion
Nucleus
Ribosome
Vacuole
Contains ATP synthase
Contains water and dissolved nutrients
Protects plant cell from damage
Contains chromosomes, which govern the cells activities and determine heredity
Addresses vesicles for transport to specific locations
Consists mainly of cellulose
Consists of protein and RNA
Brain of the cell
Aid in killing “swallowed” (phagocytosed) microbes by fusing with the phagosome
Flexible barrier that encloses the cytoplasm
Contain digestive enzymes for breaking down macromolecules to their subunits
Contains the light-sensitive pigment chlorophyll
Contains the nucleolus, which produces an important component of ribosomes: rRna
Produces oxygen as a waste product
Energy factory of the cell
Contains channel proteins to facilitate diffusion of molecules in or out of the cell
Highway of the cell
Powerplant of the cell
Organelle found only in plants and some protists
The only organelle found in both eukaryotes and prokaryotes
Packages proteins into vesicles for transport
Post office of the cell
Maintains plant cell shape
Semipermeable barrier between the inside and outside of the cell
“Smooth form” is a network of tubules and vesicles that store various enzymes
Produces carbon dioxide as a waste product
Produces energy using light
Protein factory of the cell
“Rough form” contains ribosomes, which manufacture proteins
Aid in recycling old, worn-out mitochondria by fusing with them
Produces ATP in the dark
Stiff barrier between the inside and outside of plant cells
When full, it keeps plant cells stiff, preventing the plant from wilting
Site of photosynthesis
The only organelle that lacks a membrane
Transports proteins and lipids
Larger in plant cells than in animal cells
Part II. Multiple Choice
The mitochondria:
A. are
symbiotic with the cell
B. evolved from bacteria
C. divide
independently of the cell
D. All of the above
The mitochondria:
A. contain
chromosomes
B. contain ribosomes
C. contain two sets of
membranes
D. All of the above
Chromosomes are found in:
A.
chloroplasts
B. mitochondria
C. the nucleus
D. All of the
above
Mitochondria are found in:
A.
all eukaryotes
B. all prokaryotes (bacteria)
C. some
eukaryotes
Chloroplasts are found in:
A.
some prokaryotes
B. some eukaryotes
C. all prokaryotes
(bacteria)
D. all eukaryotes
ATP stands for
A. adenosine
tris-phosphate
B. adenine triphosphate
C. adenosine
triphosphate
D. adenine tris-phosphate
The energy currency of the cell
is
A. Glucose
B. Vitamin D
C. ATP
D. None of the above
Membrane channels are composed of
what macromolecule?
A. protein
B. polysaccharide
C.
nucleic acid
D. lipid
Membrane bilayers are primarily
composed of what macromolecule?
A. lipid
B. nucleic acid
C.
polysaccharide
D. protein
Hereditary information is encoded
in what macromolecule?
A. protein
B. polysaccharide
C.
nucleic acid
D. lipid
The nucleolus
A. consists of
parts of certain chromosomes
B. directs the synthesis of
ribosomal RNA (rRNA)
C. consists of DNA
D. All of the
above
Plant cells have cell walls
consisting primarily of:
A. pectin
B. lignin
C. chitin
D. cellulose
Animal cells contain
A. cell
walls
B. chloroplasts
C. mitochondria
D. All of the above
E. None of the above
51. Which one of the following eukaryotic cell structures does not contain DNA?
A. nucleus
B. mitochondria
C. endoplasmic reticulum
D. chloroplast
52. The
rough endoplasmic reticulum is
A. an intracellular
double-membrane system to which ribosomes are attached
B. an
intracellular membrane that is studded with microtubular
structures
C. a membranous structure found within
mitochondria
D. only found in prokaryotic cells
53. In the nucleus of eukaryotic
cells, the genetic material is complexed with protein and organized
into linear structures called
A. centrioles
B.
histones
C. chromosomes
D. plasmids
54. Some
proteins span the width of the plasma membrane with portions that
stick out on either
end. Logically, what part of
the protein must be inserted within the fatty acid portion of the
membrane?
A. The hydrophilic region
B. The
hydrophobic region
C. The amphipathic region
D. The polar
region
55. Which of the following statements is always
true?
A. All cells have a cell membrane
B. All cells contain
a nucleus
C. All cells have a cell wall
D. All cells have
golgi bodies
56. Which of the following
substances is able to move freely across the cell membrane?
A.
water
B. lipid-soluble molecules
C. water-soluble
proteins
D. nucleic acids
E. both (A) and (B)
57. As cell size increases, cell volume increases at
_____________________ cell surface area.
A. the same rate as
B.
a larger rate than
C. a smaller rate than
58. A cell
that had relatively few energy needs would probably have a relatively
small number of
A. chromosomes
B. lysosomes
C.
ribosomes
D. mitochondria
59. Digestive (hydrolytic)
enzymes are stored within the
A. golgi apparatus
B. rough
endoplasmic reticulum
C. ribosomes
D. lysosomes
60. A plant cell placed in a hypotonic solution would
A.
shrink
B. burst
C. become turgid
D. remain unchanged
61. Which of the following structures is (are) common to both
eukaryotic and prokaryotic cells?
A. Nucleus
B. Cell
membrane
C. Ribosomes
D. both (A) and (B)
E. both (B) and
©
62. When red blood cells are placed in a
concentrated salt solution, they will
A. enlarge but not
burst
B. enlarge until they burst
C. remain unchanged
D.
shrink
63. Arrange the following terms from the simplest
structure to the most complex structure:
cell, macromolecule, organ, tissue, organelle, organism
64. Which of the following are not part of the nucleus in eukaryotic cells?
A.
chromosomes
B. nucleolus
C. mitochondria
D.
nucleoplasm
E. nuclear envelope
Part
III. Diagrams
65. (1 pt) Identify
structure D (within the rectangle)
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66. (1 pt) Identify structure A
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A. Glycoprotein |
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67. (1 pt) Which of these molecules cannot pass directly through the phospholipid bilayer of the cell membrane?

A. Lipid soluble molecule
B. Water
C. Glucose
D. Hydrogen
ion
68. (2 pts) You know that this cell is in a(n) ________solution
because the cell ________________
A.
hypertonic.....lost water
B. hypertonic.....gained water
C.
isotonic.....neither lost nor gained water
D.
hypotonic.....shrunk
E. hypotonic.....swelled
69. (2 pts) The image below is an electron micrograph (TEM, transmission electron microscopy) of an animal cell. Label the golgi apparatus (G) and one of the mitochondria (M) using arrows.
70. (3 pts) The image below is an electron micrograph (TEM, transmission electron microscopy) of an animal cell. Label the endoplasmic reticulum (ER), the nuclear envelope (NE), and the nucleolus (NCLS) using arrows.
71. (1 pt) The TEM below shows what plant organelle? ________________________________
72. (4 pts) In the TEM below of a corn cell, label the nucleoplasm (NP), nucleolus (NCLS), chloroplast (C) and mitochondria (M) using arrows.
73. (4 pts) Design an experiment to demonstrate osmosis. Be specific in discussing materials and expected results. Draw and label a diagram of your experimental setup.
74. (4 pts)
Describe what is meant by the “fluid mosaic model”
of the cell membrane.
75. (4 pts)
Describe the two main differences between diffusion and active
transport.
A.
B.
76. (4 pts)
Describe the endosymbiont theory.