Haemoglobin contains…….globin protein chains, each associated with haem.
a) two
b) three
c) one
d) four
Myoglobin contains…….globin protein chain/s, associated with iron containing ring structure.
a) two
b) three
c) one
d) four
Haemoglobin loses oxygen at PO2 …….mmHg.
a) 20
b) 60
c) 100
d) 97
Myoglobin loses oxygen at PO2 …….mmHg.
a) 20
b) 60
c) 100
d) 97
Most of the carbon dioxide transported as…….
a) bicarbonate ions
b) carbonate ions
c) carboxyhaemoglobin
d) dissolved in plasma
CO binds to haemoglobin with affinity …….times greater than that of oxygen.
a) 20
b) 100
c) 150
d) 249
