Structure and Properties of Peptides The major element of secondary structure in myoglobin and hemoglobin is All of these the reverse turn the a-helix the P-strand All of these the reverse turn the a-helix the P-strand ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Which of the three subunits of the G proteins binds GDP and GTP? Gamma Beta Alpha Delta Gamma Beta Alpha Delta ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The heme is held in place by a bond between 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 the Fe2+ and histidine 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 not present at Phe residues analogous to the steps in a spiral staircase more numerous than Vander Waals interactions roughly parallel to the helix axis not present at Phe residues analogous to the steps in a spiral staircase ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What is the effect of a decrease in pH on hemoglobin oxygen affinity? Increase in oxygen affinity Increase affinity in muscle cell otherwise decrease Decrease in oxygen affinity No effect on oxygen affinity Increase in oxygen affinity Increase affinity in muscle cell otherwise decrease Decrease in oxygen affinity No effect on oxygen affinity ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Disulfide bonds most often stabilize the native structure of hydrophobic proteins dimeric proteins intracellular proteins extracellular proteins hydrophobic proteins dimeric proteins intracellular proteins extracellular proteins ANSWER DOWNLOAD EXAMIANS APP
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