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Test Bank for Advanced Nutrition and Human Metabolism 8th Edition Gropper
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Name Clas Dat: s: e:
Chapter 01: The Cell: A Microcosm of Life
1. Membrane lipid bilayers consist primarily of ____.
a. phospholipids
b. cholesterol
c. proteins
d. saturated fatty acids
e. enzymes
ANSWER: a
2. Which of the following is a common function of membrane proteins?
a. receptors
b. detoxifiers
c. purifier
d. neutron transporter
e. storage proteins
ANSWER: a
3. What is the role of cholesterol in plasma membrane structure?
a. to produce bile
b. to regulate fluidity and permeability
c. to reduce stability
d. to produce hormones
e. to catalyze chemical reactions
ANSWER: b
4. Which of the following is not a usual function of the cytoskeleton?
a. locomotion
b. generation of ATP
c. structural support
d. positioning of organelles
e. transfer of DNA and RNA
ANSWER: b
5. Which cellular component enables signal transmission to various parts of the cell due to interconnections within the
cytosol?
a. glycoproteins
b. microfilaments
c. glycolipids
d. integral proteins
e. nucleic acids
ANSWER: b
Copyright Cengage Learning. Powered by Cognero. Page 1
,Name Clas Dat
: s: e:
Chapter 01: The Cell: A Microcosm of Life
6. How are the carbohydrate moieties of the plasma membrane glycoproteins and glycolipids oriented?
a. outwardly, away from the cytoplasmic matrix
b. inwardly, toward the lumen
c. equally inwardly and outwardly to maintain symmetry
d. between the bilayers of the membranes
e. interlinked with each on both sides of the membrane
ANSWER: b
7. Which of the following describes proteins attached to the membrane through hydrophobic interactions and
embedded in the membrane?
a. peripheral proteins
b. rough endoplasmic reticula
c. integral proteins
d. Golgi apparatus
e. apoproteins
ANSWER: c
8. Which structure in the cell provides support and controls the movement of cell organelles?
a. endoplasmic reticulum
b. mitochondrion
c. cytoskeleton
d. cytosolic matrix
e. nucleus
ANSWER: c
9. Cytochalasin is a fungal toxin that prevents the polymerization of actin. Which cellular structure is the target?
a. nucleus
b. cytoskeleton
c. lysosomes
d. mitochondria
e. plasma membrane
ANSWER: b
10. Which of the following is not normally found in the cytoplasmic matrix of a typical cell?
a. amino acids
b. glucose-6-phosphate
c. carbon dioxide
d. urea
e. lipids
ANSWER: d
Copyright Cengage Learning. Powered by Cognero. Page 2
, Name Clas Dat
: s: e:
Chapter 01: The Cell: A Microcosm of Life
11. Enzymes of which metabolic pathway can be found in the cytoplasmic matrix?
a. beta-oxidation
b. glycolysis
c. ketone production
d. the Kreb’s cycle
e. cholesterol synthesis
ANSWER: b
12. Which organelle is responsible for the production of most of the metabolic energy (ATP)?
a. Golgi apparatus
b. endoplasmic reticulum
c. nucleus
d. mitochondrion
e. lysosome
ANSWER: d
13. Which of the following can freely diffuse across the inner mitochondrial membrane?
a. glucose
b. oxygen and carbon dioxide
c. fatty acids
d. NADH
e. protons
ANSWER: b
14. Where are the majority of the components of the electron transport chain embedded?
a. mitochondrial inner membrane
b. mitochondrial outer membrane
c. mitochondrial matrix
d. cytoplasmic matrix
e. plasma membrane
ANSWER: a
15. In which organelle do the TCA cycle and fatty acid oxidation occur?
a. Golgi apparatus
b. nucleus
c. microsomes
d. mitochondrion
e. endoplasmic reticulum
ANSWER: d
16. What is the major route for ATP production in the cell?
Copyright Cengage Learning. Powered by Cognero. Page 3
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