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38. What is true about the rotation of about bonds in a protein backbone? A. The rotation is free about all bonds in the backbone, except for the bond between the nitrogen and the alpha carbon in proline residues B. The bond between the carbonyl carbon and nitrogen is restricted. Other bonds are free to rotate depending on only steric hindrance or the presence of proline residues C. All bonds in the backbone have restricted rotation and partial double character D. The rotation is free only about the peptide bond. The other bonds are restricted by steric hindrance and presence of proline residues 39. Nearly all peptide bonds are in the trans configuration because A. cis peptide bonds are weaker B. trans peptide bonds are stronger C. cis peptide bonds prevent R groups from interacting D. trans peptide bonds minimize steric hindrance of R groups

38. What is true about the rotation of about bonds in a protein backbone? A. The rotation is free about all bonds in the backbone, except for the bond between the nitrogen and the alpha carbon in proline residues B. The bond between the carbonyl carbon and nitrogen is restricted. Other bonds are free to rotate depending on only steric hindrance or the presence of proline residues C. All bonds in the backbone have restricted rotation and partial double character D. The rotation is free only about the peptide bond. The other bonds are restricted by steric hindrance and presence of proline residues 39. Nearly all peptide bonds are in the trans configuration because A. cis peptide bonds are weaker B. trans peptide bonds are stronger C. cis peptide bonds prevent R groups from interacting D. trans peptide bonds minimize steric hindrance of R groups

Biochemistry
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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38. What is true about the rotation of about bonds in a protein backbone? A. The rotation is free about all bonds in the backbone, except for the bond between the nitrogen and the alpha carbon in proline residues B. The bond between the carbonyl carbon and nitrogen is restricted. Other bonds are free to rotate depending on only steric hindrance or the presence of proline residues C. All bonds in the backbone have restricted rotation and partial double character D. The rotation is free only about the peptide bond. The other bonds are restricted by steric hindrance and presence of proline residues 39.Nearly all peptide bonds are in the trans configuration because A. cis peptide bonds are weaker B. trans peptide bonds are stronger C. cis peptide bonds prevent R groups from interacting D. trans peptide bonds minimize steric hindrance of R groups
Transcribed Image Text:38. What is true about the rotation of about bonds in a protein backbone? A. The rotation is free about all bonds in the backbone, except for the bond between the nitrogen and the alpha carbon in proline residues B. The bond between the carbonyl carbon and nitrogen is restricted. Other bonds are free to rotate depending on only steric hindrance or the presence of proline residues C. All bonds in the backbone have restricted rotation and partial double character D. The rotation is free only about the peptide bond. The other bonds are restricted by steric hindrance and presence of proline residues 39.Nearly all peptide bonds are in the trans configuration because A. cis peptide bonds are weaker B. trans peptide bonds are stronger C. cis peptide bonds prevent R groups from interacting D. trans peptide bonds minimize steric hindrance of R groups
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