4. Protein Structure
Peptide Group
Multiple Choice
Multiple ChoiceWhy are atoms of the peptide group planar?
A
Bulky side chains prevent the trans conformation & free rotation around a peptide bond.
B
Peptide bonds are double bonds that prevent bond rotation.
C
Hydrogen bonding between the N-H and C=O groups stabilizes cis conformation & limits bond rotation.
D
Peptide bonds contain partial double bond character, preventing free bond rotation.
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