When reviewing the oxygen hemoglobin disassociation curve, what will a decrease in pH, increase in temperature and an increase in pCO2 have on hemoglobin binding with oxygen?Group of answer choicesthere will be an increase in oxygen release from hemoglobin---a right shiftthere is no change in binding even with these conditionshemoglobin will bind more avidly----a left shift
Question
When reviewing the oxygen hemoglobin disassociation curve, what will a decrease in pH, increase in temperature and an increase in pCO2 have on hemoglobin binding with oxygen?Group of answer choicesthere will be an increase in oxygen release from hemoglobin---a right shiftthere is no change in binding even with these conditionshemoglobin will bind more avidly----a left shift
Solution
The oxygen-hemoglobin dissociation curve describes how oxygen binds to and is released from hemoglobin in red blood cells. The curve is affected by several factors including pH, temperature, and partial pressure of carbon dioxide (pCO2).
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Decrease in pH: A decrease in pH (or an increase in acidity) weakens the bond between hemoglobin and oxygen, causing a right shift in the curve. This is known as the Bohr effect. The right shift means that more oxygen is released from hemoglobin.
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Increase in temperature: An increase in temperature also weakens the bond between hemoglobin and oxygen, causing a right shift in the curve. This means that more oxygen is released from hemoglobin.
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Increase in pCO2: An increase in pCO2 weakens the bond between hemoglobin and oxygen, causing a right shift in the curve. This means that more oxygen is released from hemoglobin.
So, the correct answer is "there will be an increase in oxygen release from hemoglobin---a right shift".
Similar Questions
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