Nutrition: Concepts and Controversies
13th Edition
ISBN: 9781133603184
Author: Frances Sizer, Ellie Whitney
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 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.
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.
The building blocks of nucleic acids are
a.
amino acids.
b.
fatty acids.
c.
monosaccharides.
d.
nucleotides.
e.
lipids.
Chapter 6 Solutions
Nutrition: Concepts and Controversies
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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
- Proteins are the dominant structural and functional molecules in a cell. Which one of the following statements about proteins is NOT correct? A. The native conformation of a protein is usually arrived at very quickly after synthesis. B. Hydrogen bonding is the only type of bonding that gives rise to secondary structure. C. Urea denatures proteins by disrupting the interactions among non-polar (hydrophobic) amino acids D. Most proteins consist of a single polypeptide and thus do not have quaternary structure.arrow_forwardMatch 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 chainsarrow_forwardThe amino acids in proteins are classified based on how they interact within the biological system. One class of amino acids are nonpolar. The number of carboxyl groups and amino groups present, respectively, in this class is: a. 2 and 2 b. 2 and 1 c. 1 and 3 d. 1 and 2 e. 1 and 1arrow_forward
- which of the following is found in all complex lipids? A. A fatty acid B. Glycerol C. Phosphate D. All of thesearrow_forwardA triglyceride contains a. glycerol and three fatty acids.b. glycerol and two fatty acids.c. protein and three fatty acids.d. a fatty acid and three sugars.arrow_forwardProteins are synthesized from: Select one: a Fatty acids. O b. Amino acids c. Carbon, Hydrogen and Oxygen d. Carbon, Hydrogen, Oxygen and Nitrogen. le (b) and (d) are correctarrow_forward
- 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. d. It is a lipid.arrow_forwardThe tertiary structure of a protein is established by: a. The sequence of amino acids in the protein b. The molecular weight of the protein c. The total number of amino acids in the protein d. The number of disulfide bridges in the protein e. The net charge of the the protein at physioloical pH.arrow_forwardWhich of the following is a drawback of using base hydrolysis during amino acid composition? A. Protonation of basic amino acids. B. Dissociation of acidic amino acids. C. Denaturation of the protein. D. Racemization of certain amino acids.arrow_forward
- Which of the following can be a lipid based structure? A. Antibody B. Enzyme C. Hormone D. Neurotransmitterarrow_forwardIdentify the biomolecules being described. (Proteins, nucleic acid, carbohydrates, lipids). A. It is made up of two patty acids, an alcohol, and a phosphate group. B. It is composed of amino acid.arrow_forwardProteins are synthesized by linking amino acids with bonds. a. disulfi de c. peptide b. glycosidic d. esterarrow_forward
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