Test Bank for Advanced Nutrition and Human Metabolism.pdf
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Bournemouth University
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 ...
test bank for advanced nutrition and human metabol
test bank for advanced nutrition and human metabol
test bank for advanced nutrition and human metab
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Test Bank for Advanced Nutrition and Human Metabolism
8th Edition Gropper
Page 1
, :
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
6. How are the carbohydrate moieties of the plasma membrane glycoproteins and glycolipids oriented?
Page 2
, :
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
11. Enzymes of which metabolic pathway can be found in the cytoplasmic matrix?
a. beta-oxidation
Page 3
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