Question

Mark the incorrect statement in context to O₂ binding to Hb

Options

• Higher pH

• Lower temperature

• Lower pCO₂

• Higher PO₂

Answer 1

Higher pH

Explanation:

Factors that increase the affinity of oxygen haemoglobin binding include:

(i) The partial pressure of oxygen increases;

(ii) The partial pressure of carbon dioxide decreases.

(iii) Low pH due to high hydrogen ion concentration

(iv) Extremely low temperatures.