Test Bank For Advanced Nutrition And Human Metabolism 8th Edition Gropper, Smith, Carr
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LPN - Licensed Practical Nurse
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LPN - Licensed Practical Nurse
Test Bank For Advanced Nutrition And Human Metabolism 8th Edition Gropper, Smith, Carr
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 comm...
test bank for advanced nutrition and human metabolism 8th edition gropper
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TEST BANK FOR ADVANCED
NUTRITION AND HUMAN
METABOLISM 8TH EDITION
GROPPER, SMITH, CARR
, 1
Chapter 1 – The Cell: A Microcosm of Life
Multiple-Choice
Key Page(s)
a 2 1. Membrane lipid bilayers consist primarily of _____.
a. phospholipids
b. cholesterol
c. proteins
d. saturated fatty acids
b 2 2. Membrane proteins serve as all of the following EXCEPT _____.
a. pumps
b. detoxifiers
c. receptors
d. enzymes
b 4 3. What is the role of cholesterol in plasma membrane structure?
a. produce bile
b. regulate fluidity
c. reduce stability
d. produce hormones
a 2-3 4. Which of the following is NOT an attribute common to all
membranes?
a. Membranes are symmetrical.
b. Membranes form sheet-like structures.
c. Membranes are fluid structures.
d. Membranes protect cellular components.
a 4 5. The carbohydrate moieties of the plasma membrane glycoproteins
and glycolipids are 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
c 4 6. Proteins attached to the membrane through hydrophobic
interactions and embedded in the membrane are called _____.
a. peripheral proteins
b. rough endoplasmic reticulum
c. integral proteins
d. Golgi apparatuses
c 4, 5 7. In the cell structure the _____ provides support and controls the
movement of cell organelles.
a. endoplasmic reticulum
b. mitochondrion
c. cytoskeleton
d. matrix space
,2
b 6 8. Enzymes of metabolic pathways that are associated with the
cytoplasmic matrix so that the product of one enzyme is released in
close proximity to the next enzyme for which it is a substrate to
facilitate velocity of the overall pathway include enzymes of _____.
a. beta-oxidation
b. glycolysis
c. ketone production
d. the Krebs cycle
d 6 9. The organelle responsible for production of most of the metabolic
energy (ATP) is the _____.
a. Golgi apparatus
b. endoplasmic reticulum
c. nucleus
d. mitochondrion
a 7 10. All components of the electron transport chain are embedded in the
_____.
a. mitochondrial inner membrane
b. mitochondrial outer membrane
c. mitochondrial matrix
d. cytoplasmic matrix
d 7-8 11. In which organelle do the TCA cycle and fatty acid oxidation occur?
a. Golgi apparatus
b. nucleus
c. microsomes
d. mitochondrion
a 7 12. What is the major route for ATP production?
a. oxidative phosphorylation
b. hydrolysis
c. peroxidation
d. transformation
c 8 13. Genes contained in mitochondrial DNA are inherited only from the
mother and code for
a. all proteins functioning within the mitochondrial matrix.
b. non-functional ancient proteins considered remnants of
evolution.
c. proteins vital to the production of ATP.
d. antioxidant proteins.
d 8 14. What type of cell depends solely on energy produced through
anaerobic mechanisms?
a. hepatocyte
b. enterocyte
c. glucocyte
d. erythrocyte
, 3
b 8 15. The cell organelle responsible for most of the initiation and
regulation of cellular activity is the _____.
a. cytoplast
b. nucleus
c. mitochondrion
e. nucleolus
a 10 16. Encoded within the nuclear DNA of each cell is
a. the entire genome for that organism.
b. the genes coding for proteins needed by that particular cell in
the organism.
c. chromatin.
d. a cell-specific histone.
b 8 17. Which of the following nitrogenous bases is unique to RNA?
a. guanine
b. uracil
c. thymine
d. cytosine
d 10 18. Translation is the process by which
a. the genetic information (base sequence) in a single strand of
DNA is used to specify a complementary sequence of bases in
an mRNA chain.
b. a daughter duplex DNA molecule that is identical to the
parental duplex DNA is synthesized.
c. the polypeptide chain of the protein product is extended.
d. genetic information in an mRNA molecule specifies the
sequence of amino acids in the protein product.
a 11 19. The smooth endoplasmic reticulum (SER) is associated with
a. lipid synthesis.
b. protein synthesis.
c. the calcium ion pump necessary for the contractile process.
d. ribosomes and cytochrome P450 enzymes.
d 12 20. What structural body made up of flattened cisternae flanked by
tubular networks is thought to be an extension of the endoplasmic
reticulum?
a. nucleus
b. cytoplasm
c. lysosome
d. Golgi apparatus
b 12 21. The Golgi apparatus is prominent in neurons and secretory cells
and functions
a. to stop the synthesis of proteins that may need carbohydrate
additions.
b. to add polysaccharide or lipid moieties to polypeptides.
c. only for constitutive secretion of proteins.
d. only for regulated secretion of proteins.
c 12 22. The organelle that serves as the digestive system for the cell is the
_____.
a. polysome
b. endosome
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