Haemoglobin Flashcards
1
Q
Structure of haemoglobin
A
Large globular protein with quaternary structure. Each chain has a haem group which contains an iron ion which makes haemoglobin red
2
Q
How many oxygen molecules can each haemoglobin bind to?
A
4
3
Q
How many polypeptide chains does a haemoglobin have?
A
4
4
Q
How is oxyhaemoglobin formed?
A
In lungs oxygen diffuses from alveoli, into capillaries and into red blood cells where it binds with haemoglobin to form oxyhaemoglobin
5
Q
What happens to oxyhaemoglobin at respiring cells?
A
Oxygen dissociates and it turns back to haemoglobin
6
Q
Is the equation to make oxyhaemoglobin reversible?
A
Yes
