Structure and Properties of Peptides Hydrogen bonds in a-helices are roughly parallel to the helix axis more numerous than Vander Waals interactions analogous to the steps in a spiral staircase not present at Phe residues roughly parallel to the helix axis more numerous than Vander Waals interactions analogous to the steps in a spiral staircase not present at Phe residues ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Which of the following is an example of tertiary structure in a protein? A multimeric protein An a-helix A globular domain A P-pleated sheet A multimeric protein An a-helix A globular domain A P-pleated sheet ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides In β-pleated sheet structures neighbouring neighboring chains are connected by a-helices neighboring residues are hydrogen bonded neighboring chains are hydrogen bonded chains lie in a flat plane neighboring chains are connected by a-helices neighboring residues are hydrogen bonded neighboring chains are hydrogen bonded chains lie in a flat plane ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The Ramachandran Plot illustrates the fact that the F & Y angles can assume only a single value in a protein the F & Y angles can assume approximately three different values the peptide bond is planar the F & Y angles can assume any value in a peptide the F & Y angles can assume only a single value in a protein the F & Y angles can assume approximately three different values the peptide bond is planar the F & Y angles can assume any value in a peptide ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The resonance structures that can be drawn for the peptide bond indicate that the peptide bond is stronger than an ordinary single bond both (a) and (b) is still not completely understood has partial double bond character is stronger than an ordinary single bond both (a) and (b) is still not completely understood has partial double bond character ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides In the β-pleated sheet adjacent polypeptide chains can either be parallel or antiparallel hydrogen bonds are formed between the peptide bonds All of these the polypeptide chain is fully extended adjacent polypeptide chains can either be parallel or antiparallel hydrogen bonds are formed between the peptide bonds All of these the polypeptide chain is fully extended ANSWER DOWNLOAD EXAMIANS APP
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