An enzyme that is involved in dissociation of oxygen from haemoglobin is called:
Correct answer: C. Anhydrase
- A. Carboxylase
- B. Oxygenase
- C. Anhydrase
- D. Deoxygenase
Explanation
The enzyme that is involved in the dissociation of oxygen from hemoglobin is called "carbonic anhydrase." This enzyme catalyzes the reversible reaction between carbon dioxide (CO2) and water (H2O) to form carbonic acid (H2CO3), which then dissociates into bicarbonate ions (HCO3-) and hydrogen ions (H+). This reaction occurs in red blood cells and helps in the transport of carbon dioxide from tissues to the lungs for exhalation.
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About Respiration
The human respiratory system includes the air passages, lungs, alveoli and breathing muscles, while gaseous exchange explains how oxygen enters blood and carbon dioxide leaves it by diffusion. The effects of smoking include damage to cilia and alveoli, reduced gas exchange, chronic bronchitis, emphysema and increased risk of lung cancer.
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