Structure and Properties of Peptides The Ramachandran Plot illustrates the fact that 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 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 ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Peptides in the fully extended chain conformation also have a cis geometry in their peptide bonds do not occur in nature have Y = F = 180° are equivalent to the (3-sheet structure also have a cis geometry in their peptide bonds do not occur in nature have Y = F = 180° are equivalent to the (3-sheet structure ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What was the first protein whose complete tertiary structure was determined? Pancreatic DNase Pancreatic ribonuclease Myoglobin Lysozyme Pancreatic DNase Pancreatic ribonuclease Myoglobin Lysozyme ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides In the β-pleated sheet 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 adjacent polypeptide chains can either be parallel or antiparallel ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The major element of secondary structure in myoglobin and hemoglobin is the reverse turn the a-helix All of these the P-strand the reverse turn the a-helix All of these the P-strand ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The oxygen in hemoglobin and myoglobin is bound to the nitrogen atoms on the heme the iron atom in the heme group histidine residues in the protein lysine residues in the protein the nitrogen atoms on the heme the iron atom in the heme group histidine residues in the protein lysine residues in the protein ANSWER DOWNLOAD EXAMIANS APP
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