Structure and Properties of Peptides Which of the following is an example of tertiary structure in a protein? A P-pleated sheet A multimeric protein An a-helix A globular domain A P-pleated sheet A multimeric protein An a-helix A globular domain ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Hydrogen bonds in a-helices are not present at Phe residues roughly parallel to the helix axis analogous to the steps in a spiral staircase more numerous than Vander Waals interactions not present at Phe residues roughly parallel to the helix axis analogous to the steps in a spiral staircase more numerous than Vander Waals interactions ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The oxygen in hemoglobin and myoglobin is bound to histidine residues in the protein the iron atom in the heme group lysine residues in the protein the nitrogen atoms on the heme histidine residues in the protein the iron atom in the heme group lysine residues in the protein the nitrogen atoms on the heme ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides In the β-pleated sheet 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 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 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 In deoxy hemoglobin (Hb), the Fe (II) is coordinated to two nitrogens of heme and to three water molecules four nitrogens of heme and to a water molecule two nitrogens of heme and to three His residues in Hb four nitrogens of heme, the proximal His, and a water molecule two nitrogens of heme and to three water molecules four nitrogens of heme and to a water molecule two nitrogens of heme and to three His residues in Hb four nitrogens of heme, the proximal His, and a water molecule ANSWER DOWNLOAD EXAMIANS APP