Structure and Properties of Peptides Hydrogen bonds in a-helices are analogous to the steps in a spiral staircase not present at Phe residues roughly parallel to the helix axis more numerous than Vander Waals interactions analogous to the steps in a spiral staircase not present at Phe residues roughly parallel to the helix axis more numerous than Vander Waals interactions ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The Ramachandran Plot illustrates the fact that the F & Y angles can assume any value in a peptide the peptide bond is planar the F & Y angles can assume only a single value in a protein the F & Y angles can assume approximately three different values the F & Y angles can assume any value in a peptide the peptide bond is planar the F & Y angles can assume only a single value in a protein the F & Y angles can assume approximately three different values ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides In deoxy hemoglobin (Hb), the Fe (II) is coordinated to 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 water molecules two nitrogens of heme and to three His residues in Hb 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 water molecules two nitrogens of heme and to three His residues in Hb ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The oxygen in hemoglobin and myoglobin is bound to the iron atom in the heme group the nitrogen atoms on the heme lysine residues in the protein histidine residues in the protein the iron atom in the heme group the nitrogen atoms on the heme lysine residues in the protein histidine residues in the protein ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides An oil drop with a polar coat is a metaphor referring to the three dimensional structure of globular proteins silk protein collagen fibrous proteins globular proteins silk protein collagen fibrous proteins 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 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 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS