Structure and Properties of Peptides Hemoglobin has quaternary structure and is made up of five polypeptide chains, two α-chains and three β-chains six polypeptide chains, two α-chains and four β-chains two polypeptide chains, one α-chains and one β-chains four polypeptide chains, two α-chains and two β-chains five polypeptide chains, two α-chains and three β-chains six polypeptide chains, two α-chains and four β-chains two polypeptide chains, one α-chains and one β-chains four polypeptide chains, two α-chains and two β-chains ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Which of the three subunits of the G proteins binds GDP and GTP? Alpha Beta Gamma Delta Alpha Beta Gamma Delta 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 two nitrogens of heme and to three water molecules 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 His residues in Hb 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 Which hemoglobin chain replaces the beta chain in embryonic hemoglobulin? Delta Alfa Epsilon Gamma Delta Alfa Epsilon Gamma ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The major element of secondary structure in myoglobin and hemoglobin is the reverse turn the a-helix All of these the P-strand the reverse turn the a-helix All of these the P-strand 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 Increase affinity in muscle cell otherwise decrease Decrease in oxygen affinity Increase in oxygen affinity No effect on oxygen affinity Increase affinity in muscle cell otherwise decrease Decrease in oxygen affinity Increase in oxygen affinity ANSWER DOWNLOAD EXAMIANS APP