Structure and Properties of Peptides The heme is held in place by a bond between the Fe2+ and histidine the Fe3+ and cysteine the Fe3+ and histidine the Fe2+ and cysteine the Fe2+ and histidine the Fe3+ and cysteine the Fe3+ and histidine the Fe2+ and cysteine ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Disulfide bonds most often stabilize the native structure of extracellular proteins intracellular proteins hydrophobic proteins dimeric proteins extracellular proteins intracellular proteins hydrophobic proteins dimeric proteins ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides When pO2 = Kd of myoglobin, the fractional saturation (YO2) is about 0.9 0.5 1.7 0.1 0.9 0.5 1.7 0.1 ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What is the effect of a decrease in pH on hemoglobin oxygen affinity? Decrease in oxygen affinity Increase in oxygen affinity Increase affinity in muscle cell otherwise decrease No effect on oxygen affinity Decrease in oxygen affinity Increase in oxygen affinity Increase affinity in muscle cell otherwise decrease No effect on oxygen affinity ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Which of the three subunits of the G proteins binds GDP and GTP? Delta Alpha Gamma Beta Delta Alpha Gamma Beta ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Secondary structure in protein refers to linear sequence of amino acids joined together by peptide bond protein made up of more than one polypeptide chain regular folding of regions of the polypeptide chain three dimensional arrangement of all amino acids in polypeptide chain linear sequence of amino acids joined together by peptide bond protein made up of more than one polypeptide chain regular folding of regions of the polypeptide chain three dimensional arrangement of all amino acids in polypeptide chain ANSWER DOWNLOAD EXAMIANS APP