Structure and Properties of Peptides Disulfide bonds most often stabilize the native structure of intracellular proteins extracellular proteins dimeric proteins hydrophobic proteins intracellular proteins extracellular proteins dimeric proteins hydrophobic proteins ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Secondary structure in protein refers to three dimensional arrangement of all amino acids in polypeptide chain linear sequence of amino acids joined together by peptide bond regular folding of regions of the polypeptide chain protein made up of more than one polypeptide chain three dimensional arrangement of all amino acids in polypeptide chain linear sequence of amino acids joined together by peptide bond regular folding of regions of the polypeptide chain protein made up of more than one polypeptide chain ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The oxygen binding curves of hemoglobin and myoglobin allow maximum transfer of oxygen to the tissues are a consequence of the quaternary structure of hemoglobin both (a) and (b) are identical allow maximum transfer of oxygen to the tissues are a consequence of the quaternary structure of hemoglobin both (a) and (b) are identical 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 His residues in Hb two nitrogens of heme and to three water molecules four nitrogens of heme, the proximal His, and a water molecule four nitrogens of heme and to a water molecule two nitrogens of heme and to three His residues in Hb two nitrogens of heme and to three water molecules four nitrogens of heme, the proximal His, and a water molecule four nitrogens of heme and to a water molecule ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides In the β-pleated sheet the polypeptide chain is fully extended All of these hydrogen bonds are formed between the peptide bonds adjacent polypeptide chains can either be parallel or antiparallel the polypeptide chain is fully extended All of these hydrogen bonds are formed between the peptide bonds adjacent polypeptide chains can either be parallel or antiparallel ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What is the effect of a decrease in pH on hemoglobin oxygen affinity? No effect on oxygen affinity Increase in oxygen affinity Decrease in oxygen affinity Increase affinity in muscle cell otherwise decrease No effect on oxygen affinity Increase in oxygen affinity Decrease in oxygen affinity Increase affinity in muscle cell otherwise decrease ANSWER DOWNLOAD EXAMIANS APP
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