Which of these statements does NOT apply to haemoglobin
A)It plays a critical role in determining the total amount of O₂ that is exchanged because it acts as a storage depot, removing dissolved O₂ and thus keeping the PO₂ low so that net diffusion is allowed to continue.
B)It combines only with O₂.
C)It is found in erythrocytes.
D)It is an iron-bearing, protein molecule.

Question

Quizplus · Accepted Answer

Haemoglobin combines with substances other than O₂, such as carbon dioxide (CO₂) and carbon monoxide (CO), not just O₂. This versatility is crucial for its role in gas transport and exchange.

Which of These Statements Does NOT Apply to Haemoglobin