blood and blood cells Flashcards
haemoglobin: explain the importance, basic structure and role of haemoglobin
1
Q
how many polypeptide chains within haemoglobin
A
4
2
Q
what type of protein is haemoglobin
A
globular
3
Q
what ion is present in the haem group
A
Fe2+
4
Q
when oxygen binds, is it reversible or irreversible
A
reversible
5
Q
what is formed when oxygen binds to haemoglobin
A
oxyhaemoglobin
6
Q
when carbon monoxide binds, is it reversible or irreversible
A
irreversible as higher affinity
7
Q
what increases affinity for oxygen and how
A
cooperative binding by breaking conformational shape
