#Question id: 689
#Unit 1. Structure and Function of Biomolecules
In the diagram below, the plane drawn behind the peptide bond indicates the:
A) absence of rotation around the C—N bond because of its partial double-bond character.
B) plane of rotation around the Ca—N bond.
C) region of steric hindrance determined by the large C=O group.
D) region of the peptide bond that contributes to a Ramachandran plot.
Which of the following best represents the backbone arrangement of two peptide bonds?
#Question id: 690
#Unit 1. Structure and Function of Biomolecules
Which of the following pairs of bonds within a peptide backbone show free rotation around both bonds?
#Question id: 691
#Unit 1. Structure and Function of Biomolecules
Roughly how many amino acids are there in one turn of an alpha helix?
#Question id: 691
#Unit 1. Structure and Function of Biomolecules
Roughly how many amino acids are there in one turn of an alpha helix?
#Question id: 692
#Unit 1. Structure and Function of Biomolecules
In the alpha helix the hydrogen bonds:
#Question id: 693
#Unit 1. Structure and Function of Biomolecules
In an alpha helix, the R groups on the amino acid residues: