52. Which of the following statements are TRUE? |- A peptide bond joins the free carboxyl terminal end of an amino acid with the N-terminal end of another. II - A telephone cord's spiral shape is synonymous to the secondary level of a protein's structure. III - Assisting in the molecular folding of polypeptide chains is one of the essential functions of molecular chaperones. IV - A supercoiled structure describes the tertiary level of a protein chain. A. I only В. 1, II C. I, II, III D. I, II, III, IV 53. What hierarchical structure of a protein is being shown in the illustration below? A. Primary B. Secondary C. Tertiary D. Quaternary + NH CH NH CH CH NH. CH R3

Biochemistry
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Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
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15.1

52. Which of the following statements are TRUE?
|- A peptide bond joins the free carboxyl terminal end of an amino acid with the N-terminal end of another.
II - A telephone cord's spiral shape is synonymous to the secondary level of a protein's structure.
III - Assisting in the molecular folding of polypeptide chains is one of the essential functions of molecular
chaperones.
IV - A supercoiled structure describes the tertiary level of a protein chain.
A. I only
B. I, I|
C. I, II, III
D. I, II, III, IV
53. What hierarchical structure of a protein is being shown in the illustration below?
R4
A. Primary
B. Secondary
C. Tertiary
D. Quaternary
+ NH
CH
NH
CH
'CH
CH
NH.
R1
R3
Transcribed Image Text:52. Which of the following statements are TRUE? |- A peptide bond joins the free carboxyl terminal end of an amino acid with the N-terminal end of another. II - A telephone cord's spiral shape is synonymous to the secondary level of a protein's structure. III - Assisting in the molecular folding of polypeptide chains is one of the essential functions of molecular chaperones. IV - A supercoiled structure describes the tertiary level of a protein chain. A. I only B. I, I| C. I, II, III D. I, II, III, IV 53. What hierarchical structure of a protein is being shown in the illustration below? R4 A. Primary B. Secondary C. Tertiary D. Quaternary + NH CH NH CH 'CH CH NH. R1 R3
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