Structure and Properties of Peptides Secondary structure in protein refers to regular folding of regions of the polypeptide chain protein made up of more than one polypeptide chain linear sequence of amino acids joined together by peptide bond three dimensional arrangement of all amino acids in polypeptide chain regular folding of regions of the polypeptide chain protein made up of more than one polypeptide chain linear sequence of amino acids joined together by peptide bond three dimensional arrangement of all amino acids in polypeptide chain ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What is the proportion of glycine residues in collagenous regions? Half One-fourth One-third One-tenth Half One-fourth One-third One-tenth ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Peptides in the fully extended chain conformation do not occur in nature have Y = F = 180° are equivalent to the (3-sheet structure also have a cis geometry in their peptide bonds do not occur in nature have Y = F = 180° are equivalent to the (3-sheet structure also have a cis geometry in their peptide bonds ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Which of the three subunits of the G proteins binds GDP and GTP? Delta Gamma Alpha Beta Delta Gamma Alpha Beta 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? 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 No effect on oxygen affinity Increase in oxygen affinity ANSWER DOWNLOAD EXAMIANS APP
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