Structure and Properties of Peptides In deoxy hemoglobin (Hb), the Fe (II) is coordinated to two nitrogens of heme and to three water molecules two nitrogens of heme and to three His residues in Hb four nitrogens of heme and to a water molecule four nitrogens of heme, the proximal His, and a water molecule two nitrogens of heme and to three water molecules two nitrogens of heme and to three His residues in Hb four nitrogens of heme and to a water molecule four nitrogens of heme, the proximal His, and a water molecule ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The peptide bond in proteins is only found between proline residues usually trans unless proline is the next amino acid usually cis unless proline is the next amino acid is planar because of steric hinderance only found between proline residues usually trans unless proline is the next amino acid usually cis unless proline is the next amino acid is planar because of steric hinderance ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Which of the following is an example of tertiary structure in a protein? An a-helix A multimeric protein A P-pleated sheet A globular domain An a-helix A multimeric protein A P-pleated sheet A globular domain ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What is the proportion of glycine residues in collagenous regions? Half One-fourth One-tenth One-third Half One-fourth One-tenth One-third ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Disulfide bonds most often stabilize the native structure of extracellular proteins hydrophobic proteins intracellular proteins dimeric proteins extracellular proteins hydrophobic proteins intracellular proteins dimeric proteins ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides In the β-pleated sheet hydrogen bonds are formed between the peptide bonds the polypeptide chain is fully extended All of these adjacent polypeptide chains can either be parallel or antiparallel hydrogen bonds are formed between the peptide bonds the polypeptide chain is fully extended All of these adjacent polypeptide chains can either be parallel or antiparallel ANSWER DOWNLOAD EXAMIANS APP
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