Nutrition
15th Edition
ISBN: 9781337906371
Author: Sizer, Frances Sienkiewicz., WHITNEY, Ellie
Publisher: Cengage Learning,
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Textbook Question
Chapter 6, Problem 1SC
The basic building blocks for protein are
a. glucose units.
b. amino acids.
c. side chains.
d. saturated bonds.
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Which of the following statements about proteins is FALSE?
a
They can be hydrophobic, hydrophilic, or both.
b
They are composed of amino acids.
c
Their primary function is energy storage.
d
They have multiple levels of structural organization.
Which of the following is not associated with proteins?
a.) amino acids
b.) hydrogenation
c.) peptide bonds
d) bending and folding
Which of the following is the characteristic that is common to all lipids?*
A. They are made up of lots of double bonds
B. They are acidic when mixed with water
C. They are insoluble in water
D. They do not have high energy content
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, health-nutrition and related others by exploring similar questions and additional content below.Similar questions
Which of the following statements is FALSE?
Select one:
a.
Secondary structure of a protein determines how it folds up into a unique three dimensional structure.
b.
Three dimensional structure of a protein determines the function of a protein.
c.
Primary structure of a protein determines how it folds up into a unique three dimensional structure.
d.
Amino acid sequence is absolutely important for a particular protein.
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Which of the following describes the tertiary structure of proteins?
A. Helices and sheets formed from hydrogen bonds between the amino acids of polypeptides
B. The functional domains that form from interactions between different parts of the polypeptide
C. The association of multiple polypeptides
D. The linear sequence of amino acids making up the polypeptide
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A friend, while frying some eggs, points to the change in the egg white (which contains a protein called albumin) and explains that if the conformation of a protein changes, it will no longer have the same properties and will lose its ability to function. Do you agree or disagree with this statement?
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Which of the following statements is/are TRUE for globular proteins?
A. sensitive to changes in pH & heat
B. regular amino acid sequence
C. soluble in water
D. structural role
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Which of the following is NOT a function of proteins?
A. movement of muscles
B. provide structural components
stores the genetic information of a living organism
C. catalyze reactions in the cells
D. transport substances through the bloodstream
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out of proteins, lipids and carbohydrates present in a cell membrane, what is true?
A.
Lipids are maximum
B.
Carbohydrates are minimum
C.
Carbohydrates are maximum
D.
All three are in equal proportion
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The difference between a polypeptide and a protein is
a. that proteins are polypeptides folded up into a functional three-dimensional conformation
b. that proteins are precursors of polypeptides
c. that polypeptides are made of protein folded up into a functional three-dimensional conformation
d. that proteins are always made with many polypeptides
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Which of the following statements concerning palmitic acid is INCORRECT?
a.
It can barely be dissolved in water.
b.
It is an unsaturated fatty acid.
c.
It is consisted of 16 carbons.
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It is a lipid.
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Which of the following is incorrect regarding nucleotides?a. They contain a sugar, a nitrogen-containing base, and aphosphate group.b. They are the monomers of fats and polysaccharides.c. They join together by alternating covalent bonds between thesugars and phosphate groups.d. They are present in both DNA and RNA
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the primary structure of proteins is held together by
a. covalent bonds
b. hydrogen bonds
c. disulfide bonds
d. ionic bonds
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Match the level of protein structure to its description:
Primary
Secondary
Tertiary
Quaternary
A.
Folding due to interactions among the peptide backbone
B.
Interactions among multiple polypeptide chains
C.
Sequence of amino acids
D.
Folding due to interactions among side chains
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How do you compare and contrast the structures between protein and carbohydrates?
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