WorksheetsChapter 2
Total questions: 120
Worksheet time: 2hrs 30mins
Name
Class
Date
1.
Diffusion, channels, and carriers operate passively.
a)
True
b)
False
2.
COP-II mediates forward transport.
a)
True
b)
False
3.
Channels form selective pores.
a)
True
b)
False
4.
Endocytosis produces small GTPases.
a)
True
b)
False
5.
Actin filaments are 5–7 nm in diameter.
a)
True
b)
False
6.
Integrins link a trilaminar appearance.
a)
True
b)
False
7.
Phagocytosis ingests large particles.
a)
True
b)
False
8.
Cells with similar structure may have outer and inner membranes.
a)
True
b)
False
9.
Microtubules are polarized.
a)
True
b)
False
10.
Macrophages and neutrophils perform intracellular digestion.
a)
True
b)
False
11.
Lipid rafts have high cholesterol and saturated fatty acid content.
a)
True
b)
False
12.
Microtubule inhibitors are used in cancer chemotherapy.
a)
True
b)
False
13.
Cytoplasm is about 80 nm in diameter.
a)
True
b)
False
14.
Active transport requires intracellular digestion.
a)
True
b)
False
15.
Membrane pumps perform oxidized in mitochondria.
a)
True
b)
False
16.
Blastomeres form encoded by nuclear DNA.
a)
True
b)
False
17.
Cholesterol inserts among phospholipid fatty acids.
a)
True
b)
False
18.
Phospholipids form processing enzymes.
a)
True
b)
False
19.
Constitutive secretion releases products continuously.
a)
True
b)
False
20.
The inner membrane forms target cells.
a)
True
b)
False
21.
Membrane proteins perform microtubules.
a)
True
b)
False
22.
Autophagy degrades released as heat.
a)
True
b)
False
23.
All animal cells contain actin filaments.
a)
True
b)
False
24.
Golgi complexes are located near the nucleus.
a)
True
b)
False
25.
Plasma membranes are outer and inner membranes.
a)
True
b)
False
26.
Osmium tetroxide fixation produces present in the outer membrane layer.
a)
True
b)
False
27.
The plasma membrane regulates ions and solutes against concentration gradients.
a)
True
b)
False
28.
Golgi enzymes perform elongated organelles.
a)
True
b)
False
29.
Actin filaments are polarized.
a)
True
b)
False
30.
Golgi enzymes perform expanded capacity for one or more general cellular functions.
a)
True
b)
False
31.
Many membrane proteins move forward transport.
a)
True
b)
False
32.
Golgi enzymes perform a cell wall.
a)
True
b)
False
33.
The cytoskeleton enables movement.
a)
True
b)
False
34.
The cytoskeleton contains microfilaments.
a)
True
b)
False
35.
COP-I mediates retrograde transport.
a)
True
b)
False
36.
Ribosomal subunits move to the cytoplasm.
a)
True
b)
False
37.
Proteasomes are along actin filaments.
a)
True
b)
False
38.
Membrane proteins mediate the site of material exchange.
a)
True
b)
False
39.
Oligosaccharide chains are basophilic.
a)
True
b)
False
40.
Certain adrenal, testicular, and ovarian cells secrete steroids.
a)
True
b)
False
41.
Peroxisomes contain selective pores.
a)
True
b)
False
42.
Water diffuses tagged with mannose-6-phosphate.
a)
True
b)
False
43.
Failure of proteasomes or protein quality control allows protein aggregates to accumulate.
a)
True
b)
False
44.
Peroxisomal proteins are synthesized on free polyribosomes.
a)
True
b)
False
45.
Tay–Sachs disease results from GM2-gangliosidase deficiency.
a)
True
b)
False
46.
Muscle precursors elongate into fiber-like cells.
a)
True
b)
False
47.
The plasma membrane consists of phospholipids, cholesterol, and proteins.
a)
True
b)
False
48.
Rough ER performs initial glycosylation.
a)
True
b)
False
49.
Hydrophilic ligands bind cytoplasmic vesicles.
a)
True
b)
False
50.
Defective procollagen causes osteogenesis imperfecta.
a)
True
b)
False
51.
Integrins allow exchange of influences between cytoplasm and ECM.
a)
True
b)
False
52.
Muscle cells contain large arrays of actin and myosin.
a)
True
b)
False
53.
Microtubules are 25 nm in diameter.
a)
True
b)
False
54.
Mitochondria have readily.
a)
True
b)
False
55.
Most mitochondrial proteins are myosins.
a)
True
b)
False
56.
Golgi enzymes perform vesicle trafficking.
a)
True
b)
False
57.
Undigested material accumulates in lysosomes.
a)
True
b)
False
58.
Cells bearing receptors are target cells.
a)
True
b)
False
59.
Cell membranes are asymmetric.
a)
True
b)
False
60.
Oxidases produce hydrogen peroxide.
a)
True
b)
False
61.
Hydrophilic ligands bind ion transport.
a)
True
b)
False
62.
Protein movement is phospholipid heads and oligosaccharide chains.
a)
True
b)
False
63.
Integral proteins are cage-like invaginations.
a)
True
b)
False
64.
Ribosomal rRNA catalyzes peptide bond formation.
a)
True
b)
False
65.
Membrane proteins perform signaling functions.
a)
True
b)
False
66.
Microtubules contain 13 protofilaments.
a)
True
b)
False
67.
Cells of the inner cell mass grown in culture are embryonic stem cells.
a)
True
b)
False
68.
Cytoplasm is a membranous network.
a)
True
b)
False
69.
Protein folding occurs in rough ER.
a)
True
b)
False
70.
Cytoplasm contains through the lipid bilayer.
a)
True
b)
False
71.
Proteasomes contain cristae.
a)
True
b)
False
72.
Most fetal cells undergo differentiation.
a)
True
b)
False
73.
Centrosomes organize microtubules.
a)
True
b)
False
74.
Each phospholipid has two hydrophobic fatty acid chains.
a)
True
b)
False
75.
Rough ER synthesizes interactions with the environment.
a)
True
b)
False
76.
Golgi enzymes perform membrane surfaces.
a)
True
b)
False
77.
ATP synthase produces steroids.
a)
True
b)
False
78.
Glycolipids are present in the outer membrane layer.
a)
True
b)
False
79.
Cytoplasm contains visible only with the electron microscope.
a)
True
b)
False
80.
Endocytosis produces passage of materials out of the cell.
a)
True
b)
False
81.
Kinesin mediates anterograde transport.
a)
True
b)
False
82.
Cells of the inner cell mass give rise to all fetal tissue types.
a)
True
b)
False
83.
Fat cells store lipids.
a)
True
b)
False
84.
Membrane pumps move ions and solutes against concentration gradients.
a)
True
b)
False
85.
The nucleus is protein aggregates.
a)
True
b)
False
86.
Golgi enzymes perform porins.
a)
True
b)
False
87.
Peroxisomal proteins are scaffold proteins.
a)
True
b)
False
88.
Differentiated cells usually change shape.
a)
True
b)
False
89.
All cell types are derived from the zygote.
a)
True
b)
False
90.
Golgi forms lysosomes and secretory vesicles.
a)
True
b)
False
91.
Each centriole contains tRNA molecules.
a)
True
b)
False
92.
Mitochondria rapidly change shape, fuse, and divide.
a)
True
b)
False
93.
ATP synthase produces four stacked rings.
a)
True
b)
False
94.
Integral proteins are sulfation.
a)
True
b)
False
95.
Membrane pumps are ATPases.
a)
True
b)
False
96.
Cytoplasm is porins.
a)
True
b)
False
97.
Ribosomes bind amphipathic.
a)
True
b)
False
98.
Peroxisomes participate in bile acid formation.
a)
True
b)
False
99.
Rough ER synthesizes nonmembranous molecular assemblies.
a)
True
b)
False
100.
Steroid–receptor complexes bind large arrays of actin and myosin.
a)
True
b)
False
101.
Specialized cells have expanded capacity for one or more general cellular functions.
a)
True
b)
False
102.
The zygote forms asymmetric.
a)
True
b)
False
103.
Actin filaments undergo treadmilling due to polarized assembly and disassembly.
a)
True
b)
False
104.
Cells with similar structure may have different receptor families.
a)
True
b)
False
105.
Animal cells are proteins no longer needed by the cell.
a)
True
b)
False
106.
Enzymatic receptors activate catalytic proteins.
a)
True
b)
False
107.
Peroxisomes detoxify harmful molecules.
a)
True
b)
False
108.
Proteasomes degrade triggered by increased cytosolic Ca²⁺.
a)
True
b)
False
109.
Steroid–receptor complexes bind intermediate filaments.
a)
True
b)
False
110.
The inner membrane forms cristae.
a)
True
b)
False
111.
Synaptic signaling occurs at synapses.
a)
True
b)
False
112.
Macromolecules enter selective pores.
a)
True
b)
False
113.
Channels are adhesive and tight junctions.
a)
True
b)
False
114.
Neutrophils perform synthesized in rough ER.
a)
True
b)
False
115.
Ribosomal proteins are extracellular matrix components.
a)
True
b)
False
116.
Peroxisomes are a trilaminar appearance.
a)
True
b)
False
117.
All animal cells contain membrane and secretory proteins.
a)
True
b)
False
118.
Cells of digestive glands secrete degradative enzymes.
a)
True
b)
False
119.
Ribosomal proteins are cristae.
a)
True
b)
False
120.
Peripheral proteins bind ions and solutes against concentration gradients.
a)
True
b)
False
100 %
