Structure and Properties of Peptides Which of the following is an example of tertiary structure in a protein? A P-pleated sheet A globular domain A multimeric protein An a-helix A P-pleated sheet A globular domain A multimeric protein An a-helix 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 four nitrogens of heme, the proximal His, and 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 and to a water molecule four nitrogens of heme, the proximal His, and a water molecule two nitrogens of heme and to three His residues in Hb 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 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 ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The different orders of protein structure are determined by all of the following bond types except peptide bonds disulfide bridges hydrogen bonds phospho-diester bonds peptide bonds disulfide bridges hydrogen bonds phospho-diester bonds ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Heme is the binding pocket of myoglobin and hemoglobin and is composed of negatively charged residues polar residues positively charged residues hydrophobic residues negatively charged residues polar residues positively charged residues hydrophobic residues ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What was the first protein whose complete tertiary structure was determined? Pancreatic DNase Lysozyme Myoglobin Pancreatic ribonuclease Pancreatic DNase Lysozyme Myoglobin Pancreatic ribonuclease ANSWER DOWNLOAD EXAMIANS APP
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