Which statement is correct?
A.
In a red blood cell, \(\mathrm{CO}_{2}\) can combine with haemoglobin to form haemoglobinic acid.
B.
Carbonic anhydrase is an enzyme that catalyses the reaction between \(\mathrm{CO}_{2}\) and \(\mathrm{H}_{2} \mathrm{O}\).
C.
At the lungs, carbon dioxide is released when carbonic acid and water react together.
D.
The greater the concentration of \(\mathrm{CO}_{2}\) in the blood, the higher the affinity of haemoglobin for oxygen.
Exam No：9700_w24_qp_12 Year：2024 Question No：31
Answer:
B
Knowledge points:
8.2.1.1 haemoglobin
8.2.1.2 carbonic anhydrase
8.2.1.3 the formation of haemoglobinic acid
8.2.1.4 the formation of carbaminohaemoglobin
8.2.2 describe the chloride shift and explain the importance of the chloride shift
8.2.3 describe the role of plasma in the transport of carbon dioxide
8.2.4 describe and explain the oxygen dissociation curve of adult haemoglobin
8.2.5 explain the importance of the oxygen dissociation curve at partial pressures of oxygen in the lungs and in respiring tissues
8.2.6 describe the Bohr shift and explain the importance of the Bohr shift
Solution:
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