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netineya [11]
3 years ago
10

If a hemoglobin molecule comes into close contact with a respiring cell, the presence of CO2 in the environment will cause hemog

lobin to bind to more oxygen molecules (if it is not already bound to four).
Biology
1 answer:
lapo4ka [179]3 years ago
8 0

Answer:

No, when the concentration of carbon dioxide is high, such as in peripheral tissues, CO2 binds to hemoglobin and the affinity for O2 decreases, causing it to release.

Explanation:

The O2 molecule is reversibly combined with the heme portion of the hemoglobin. When the partial pressure of O2 is high, as in the case of pulmonary capillaries, for example, the binding of O2 to hemoglobin and the release of carbon dioxide are favored, this is known as the Haldane effect. If, on the contrary, when the concentration of carbon dioxide is high, such as in peripheral tissues, CO2 is bound to hemoglobin and the affinity for O2 decreases, causing it to release, this is known as the effect Bohr.

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