4.2 Hemoglobin... takes longer to bind to oxygen compared to myoglobin. largely adopts the R conformation in the absence of BPG. has much higher affinity for oxygen than does myoglobin. releases more oxygen at low partial pressures of oxygen when the hydrogen ion

4.2 Hemoglobin... takes longer to bind to oxygen compared to myoglobin. largely adopts the R conformation in the absence of BPG. has much higher affinity for oxygen than does myoglobin. releases more oxygen at low partial pressures of oxygen when the hydrogen ion

Anatomy & Physiology

1st Edition

ISBN:9781938168130

Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Publisher:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Chapter22: The Respiratory System

Section: Chapter Questions

Problem 47CTQ: Describe the relationship between the partial pressure of oxygen and the binding of oxygen to...

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Concept explainers

Hematology

Hematology is the branch of biology. Hematology is the medical field that deals with the treatment of blood disorders and cancers, such as hemophilia, leukemia, lymphoma, and sickle-cell anemia. Hematologists and hematopathologists are medical professionals who specialize in illnesses of the blood and its components.

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4.2 Hemoglobin...
takes longer to bind to oxygen compared to myoglobin.
largely adopts the R conformation in the absence of BPG.
has much higher affinity for oxygen than does myoglobin.
releases more oxygen at low partial pressures of oxygen when the hydrogen ion
concentration is high.

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Describe the relationship between the partial pressure of oxygen and the binding of oxygen to hemoglobin.
Describe the differences in the oxygen-binding properties of hemoglobin and myoglobin.
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Myoglobin’s oxygen-binding curve exhibits a shape best described as— serpentine. hyperbolic. straight. sigmoidal. bell.
What mainly differentiates myoglobin from hemoglobin if they both have oxygen-carrying functions?
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After spending a day or more at high altitude (with an oxygen partial pressure of 75 torr), the concentration of 2,3- bisphosphoglycerate (2,3-BPG) in red blood cells increases. What effect would an increased concentration of 2,3-BPG have on the oxygen-binding curve for hemoglobin? Why would this adaptation be beneficial for functioning well at high altitude?
The shape for curve of oxygen binding to Myoglobin is ___________ and the shape for curve of oxygen binding to Hemoglobin is _________________ Hyperbolic, Hyperbolic Sigmoidal, Sigmoidal Flat, Sigmoidal Hyperbolic, Sigmoidal
Which of the followingstatement is FALSE about myoglobin? Select one: a) Oxygen dissociation curve for myoglobin is non-sigmoidal b)It has only one hemocyanin for anaerobic respiration c) It has higher affinity for oxygen even at high partial pressure of carbon dioxide d)It can be found in the skeletal muscle tissue
4.2 Detail the similarities and differences between myoglobin and hemoglobin structure.