Hemoglobin S affinity for oxygen During exercise, there is an increase in carbon dioxide concentration in the blood. What effect will this have on pH and hemoglobin's affinity for oxygen? An increase in carbon dioxide concentration will lower the blood pH, causing the the hemoglobin affinity for oxygen to A increase. An increase in carbon dioxide concentration will lower the blood pH, causing the the hemoglobin affinity for oxygen to reduce. An increase in carbon dioxide concentration will raise the blood pH, causing the the hemoglobin affinity for oxygen to increase. An increase in carbon dioxide concentration will raise the blood pH, causing the the hemoglobin affinity for oxygen to reduce. Which of the following describes the dissociation curve of oxygen binding to hemoglobin? Linear Sigmoidal Hyperbolic D Reciprocal Protein A has a binding site for ligand X with a dissociation constant, K of 2.5 x 107 M. Protein B has a binding site for ligand X wit a Ky of 5.0 x 10 M. Which protein has greater affinity for ligand X? Why? Protein A has greater affinity because it has a greater Kd than Protein B. B Protein B has greater affinity because it has a lower Kd than Protein A. Protein A has greater affinity because it has a lower Kd than Protein B.
Hemoglobin S affinity for oxygen During exercise, there is an increase in carbon dioxide concentration in the blood. What effect will this have on pH and hemoglobin's affinity for oxygen? An increase in carbon dioxide concentration will lower the blood pH, causing the the hemoglobin affinity for oxygen to A increase. An increase in carbon dioxide concentration will lower the blood pH, causing the the hemoglobin affinity for oxygen to reduce. An increase in carbon dioxide concentration will raise the blood pH, causing the the hemoglobin affinity for oxygen to increase. An increase in carbon dioxide concentration will raise the blood pH, causing the the hemoglobin affinity for oxygen to reduce. Which of the following describes the dissociation curve of oxygen binding to hemoglobin? Linear Sigmoidal Hyperbolic D Reciprocal Protein A has a binding site for ligand X with a dissociation constant, K of 2.5 x 107 M. Protein B has a binding site for ligand X wit a Ky of 5.0 x 10 M. Which protein has greater affinity for ligand X? Why? Protein A has greater affinity because it has a greater Kd than Protein B. B Protein B has greater affinity because it has a lower Kd than Protein A. Protein A has greater affinity because it has a lower Kd than Protein B.
Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
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Chapter7: Ionic Compounds And Metals
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Problem 15STP
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Question
Transcribed Image Text:Hemoglobin's affinity for oxygen changes as a function of blood pH and carbon dioxide content. This is known as the Bohr Effect.
During exercise, there is an increase in carbon dioxide concentration in the blood. What effect will this have on pH and
hemoglobin's affinity for oxygen?
An increase in carbon dioxide concentration will lower the blood pH, causing the the hemoglobin affinity for oxygen to
increase.
An increase in carbon dioxide concentration will lower the blood pH, causing the the hemoglobin affinity for oxygen to
B
reduce.
An increase in carbon dioxide concentration will raise the blood pH, causing the the hemoglobin affinity for oxygen to
increase.
An increase in carbon dioxide concentration will raise the blood pH, causing the the hemoglobin affinity for oxygen to
D
reduce.
Which of the following describes the dissociation curve of oxygen binding to hemoglobin?
A Linear
B Sigmoidal
Hyperbolic
D Reciprocal
Protein A has a binding site for ligand X with a dissociation constant, Kg of 2.5 x 107 M. Protein B has a binding site for ligand X with
a Ky of 5.0 x 10 M. Which protein has greater affinity for ligand X? Why?
A Protein A has greater affinity because it has a greater Kd than Protein B.
B) Protein B has greater affinity because it has a lower Kd than Protein A.
Protein A has greater affinity because it has a lower Kd than Protein B.
D) Protein A and Protein B have the same affinity.
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