Structure and Properties of Peptides Hemoglobin has quaternary structure and is made up of four polypeptide chains, two α-chains and two β-chains two polypeptide chains, one α-chains and one β-chains five polypeptide chains, two α-chains and three β-chains six polypeptide chains, two α-chains and four β-chains four polypeptide chains, two α-chains and two β-chains two polypeptide chains, one α-chains and one β-chains five polypeptide chains, two α-chains and three β-chains six polypeptide chains, two α-chains and four β-chains 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 adjacent polypeptide chains can either be parallel or antiparallel All of these hydrogen bonds are formed between the peptide bonds the polypeptide chain is fully extended adjacent polypeptide chains can either be parallel or antiparallel All of these hydrogen bonds are formed between the peptide bonds the polypeptide chain is fully extended ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Peptides in the fully extended chain conformation are equivalent to the (3-sheet structure do not occur in nature also have a cis geometry in their peptide bonds have Y = F = 180° are equivalent to the (3-sheet structure do not occur in nature also have a cis geometry in their peptide bonds have Y = F = 180° ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The major element of secondary structure in myoglobin and hemoglobin is the a-helix All of these the reverse turn the P-strand the a-helix All of these the reverse turn the P-strand ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Hydrogen bonds in a-helices are more numerous than Vander Waals interactions roughly parallel to the helix axis analogous to the steps in a spiral staircase not present at Phe residues more numerous than Vander Waals interactions roughly parallel to the helix axis analogous to the steps in a spiral staircase not present at Phe residues ANSWER DOWNLOAD EXAMIANS APP
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