Concept explainers
Which of the following situations occurs if a person's blood becomes more alkaline?
A. |
Hemoglobin molecules retain less oxygen per heme group under alkaline conditions than they do at neutral pH or under acidic conditions. |
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B. |
Hemoglobin molecules give up oxygen more readily under alkaline conditions than they do under neutral pH or under acidic conditions. |
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C. |
Hemoglobin molecules change shape and begin to lose oxygen molecules. |
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D. |
Hemoglobin molecules retain oxygen more readily under alkaline conditions than they do at neutral pH or under acidic conditions. |
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E. |
There is no change in hemoglobin's oxygen-binding affinity under alkaline conditions when compared to blood at neutral pH or under acidic conditions. |
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