Structure and Properties of Peptides Which of the following is an example of tertiary structure in a protein? An a-helix A P-pleated sheet A multimeric protein A globular domain An a-helix A P-pleated sheet A multimeric protein A globular domain ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides If the F and Y angles of each peptide unit in a protein are known, which of the following may also be determined? Complete tertiary structure Thermodynamic stability Complete quaternary structure Complete secondary structure Complete tertiary structure Thermodynamic stability Complete quaternary structure Complete secondary structure 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 four nitrogens of heme, the proximal His, and a water molecule two nitrogens of heme and to three water molecules four nitrogens of heme and to a water molecule two nitrogens of heme and to three His residues in Hb four nitrogens of heme, the proximal His, and a water molecule two nitrogens of heme and to three water molecules 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 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 hydrogen bonds are formed between the peptide bonds ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What is the effect of a decrease in pH on hemoglobin 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 No effect on oxygen affinity Increase in oxygen affinity 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 phospho-diester bonds hydrogen bonds peptide bonds disulfide bridges phospho-diester bonds hydrogen bonds peptide bonds disulfide bridges ANSWER DOWNLOAD EXAMIANS APP