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The illustration shows several oxygen dissociation curves. Assume that curve 3 corresponds to hemoglobin with physiological concentrations of CO2 and 2.3 bisphosphoglycerate (2.3 BPG) at pll7. Saturation (Y) po Assign cach perturbation or the lack of a perturbation to the curve it represents. Curve 1 Curve 2 Curve 3 Curve 4 Answer Bank a loss of quaternary structure an increase in pH a decrease in CO an increase in 23 BPG no perturbation
The illustration shows several oxygen dissociation curves. Assume that curve 3 corresponds to hemoglobin with physiological concentrations of CO2 and 2.3 bisphosphoglycerate (2.3 BPG) at pll7. Saturation (Y) po Assign cach perturbation or the lack of a perturbation to the curve it represents. Curve 1 Curve 2 Curve 3 Curve 4 Answer Bank a loss of quaternary structure an increase in pH a decrease in CO an increase in 23 BPG no perturbation
Final answer:Curve 1 represents a loss ofquaternary structure, Curve 2 represents a decrease in CO2, Curve 3 represents no perturbation, and Curve 4 represents an increase in 2.3 BPG.Explanation:Curve 1: a loss of quaternary structureCurve 2: a decrease in CO2Curve 3: no perturbationCurve 4: an increase in 2.3 BPGVarious factors affect theoxygen-hemoglobindissociation curve: an increase in pH or a decrease in CO2 both shift the curve to the left, indicating higher oxygen affinity, while an increase in 2.3 BPG shifts it to the right, indicating lower oxygen affinity. Loss of quaternary structure significantly disrupts hemoglobin's function.The question pertains to changes in the oxygen-hemoglobin dissociation curve, which is influenced by various factors such as pH, carbon dioxide (CO2) levels, and concentration of 2,3-bisphosphoglycerate (2.3 BPG). Curve 3, described as the curve withphysiological concentrationsof CO2 and 2.3 BPG at pH 7, serves as the baseline for comparison. Assuming the physiological curve is at pH 7 (neutral pH), an increase in pH would likely result in a leftward shift of the curve, indicative of a higher affinity for oxygen (Curve 2). Conversely, a decrease in CO2 in the blood would also cause a leftward shift due to reduced hydrogenion concentration, leading to increased pH and higher oxygen affinity (Curve 1). An increase in 2.3 BPG would shift the curve to the right, reflecting a lower affinity for oxygen as 2.3 BPG stabilizes the T (tense) state of hemoglobin which has a lower affinity for oxygen (Curve 4). Lastly, a loss of quaternary structure would dramatically impair hemoglobin's function, not represented by simple leftward or rightward shifts in the curve, and is thus not matched to any of the numbered curves.Learn more about oxygen-hemoglobin dissociation curve here:brainly.com/question/31172813#SPJ11...