1.

Regarding oxygen transport:

A. Haemoglobin S has glutamic acid instead of valine in the chains
B. the O2 saturation of Hb is the percentage of available binding sites that do not have O2 attached
C. the oxygenated form of Hb is the T state
D. cyanosis is more obvious in anaemic patients
E. normal P50 is 27mmHg
Answer» F.


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