Haemoglobin

Question 1

Haemoglobin’s primary structure ?

Answer 1

Linear sequence of amino acids with peptide bonds

Question 2

Haemoglobins secondary structure?

Answer 2

Alpha coiled helix with hydrogen bonds (attractions between O2 and H2 atoms)

Question 3

Haemoglobins tertiary structure ?

Answer 3

folding 3D shape with hydrogen , ionic and disulphide bonds

Question 4

Haemoglobins quaternary structure ?

Answer 4

4 polypeptide chains , 2 alpha 2 beta each carrying a haem group allowing oxygen association