Haemoglobin is a protein molecule. This means it has four stages of protein structure. Name them.

Describe the Primary Structure of a Haemoglobin.

Describe the Secondary Structure of haemoglobin.

Describe the Tertiary Structure of Haemoglobin.

Describe the quaternary structure of haemoglobin.

How many molecules of Oxygen can one haemoglobin carry?

Where does haemoglobin associate/load oxygen?

Where does haemoglobin dissociate/unload oxygen?

The association of oxygen changes if its shape does. In the presence of CO2 what happens to haemoglobin? How does this help?

Why are there different types of haemoglobin in different organisms?