Concerning the hemoglobin oxygen binding curve, P50 is defined as The the oxygen

Question

Concerning the hemoglobin oxygen binding curve, P50 is defined as The the oxygen affinity smaller the P50, the Question 3 options A) the oxygen pressure at which hemoglobin is 50% saturated with oxygen; the weaker B) None of the these choices C) the oxygen pressure at which hemoglobin is 50% saturated with oxygen; the Stronger C D) the oxygen saturation when oxygen pressure is 50 torrs; the stronger E) the oxygen saturation when oxygen pressure is 50 torrs; the weaker How does 2,3-bisphosphoglycerate (BPG) lower hemoglobin oxygen affinity? Explain. Give two reasons for the essential nature of the hemoglobin polypeptide chain in hemoglobin for effective oxygen transport. Hydrophobic residues usually appear at the first and fourth positions in the seven-residue pseudo repeats of polypeptides that form coiled coils. Why do polar or charged residues usually appear in the remaining five positions Gelatin is a food product obtained from the thermal degradation of collagen. Why is gelatin nutritionally inferior to other types of protein?

Explanation / Answer

First question.

P50 is defines as measure of hemoglobbin-oxygen affinity. The smaller de P50, the bigger the affinity. (option C)

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