Structure and Properties of Peptides Hemoglobin has quaternary structure and is made up of four polypeptide chains, two α-chains and two β-chains six polypeptide chains, two α-chains and four β-chains two polypeptide chains, one α-chains and one β-chains five polypeptide chains, two α-chains and three β-chains four polypeptide chains, two α-chains and two β-chains six polypeptide chains, two α-chains and four β-chains two polypeptide chains, one α-chains and one β-chains five polypeptide chains, two α-chains and three β-chains ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What is the proportion of glycine residues in collagenous regions? One-tenth Half One-third One-fourth One-tenth Half One-third One-fourth 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 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 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 Which of the three subunits of the G proteins binds GDP and GTP? Alpha Delta Gamma Beta Alpha Delta Gamma Beta ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Which of the following is an example of tertiary structure in a protein? A globular domain A multimeric protein A P-pleated sheet An a-helix A globular domain A multimeric protein A P-pleated sheet An a-helix ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides When pO2 = Kd of myoglobin, the fractional saturation (YO2) is about 0.9 1.7 0.5 0.1 0.9 1.7 0.5 0.1 ANSWER DOWNLOAD EXAMIANS APP