Structure and Properties of Peptides Peptides in the fully extended chain conformation also have a cis geometry in their peptide bonds do not occur in nature are equivalent to the (3-sheet structure have Y = F = 180° also have a cis geometry in their peptide bonds do not occur in nature are equivalent to the (3-sheet structure have Y = F = 180° ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What is the proportion of glycine residues in collagenous regions? One-tenth One-fourth One-third Half One-tenth One-fourth One-third Half ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Which of the three subunits of the G proteins binds GDP and GTP? Alpha Gamma Beta Delta Alpha Gamma Beta Delta ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The major element of secondary structure in myoglobin and hemoglobin is the reverse turn the P-strand the a-helix All of these the reverse turn the P-strand the a-helix All of these ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Disulfide bonds most often stabilize the native structure of dimeric proteins extracellular proteins hydrophobic proteins intracellular proteins dimeric proteins extracellular proteins hydrophobic proteins intracellular proteins ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides In deoxy hemoglobin (Hb), the Fe (II) is coordinated to four nitrogens of heme, the proximal His, and a water molecule two nitrogens of heme and to three His residues in Hb four nitrogens of heme and to a water molecule two nitrogens of heme and to three water molecules four nitrogens of heme, the proximal His, and a water molecule two nitrogens of heme and to three His residues in Hb four nitrogens of heme and to a water molecule two nitrogens of heme and to three water molecules ANSWER DOWNLOAD EXAMIANS APP