Question

11. Haemoglobin has
a Primary structure
b. Secondary structure
c. Tertiary structure
d. Quaternary structure​

Answer 1

Explanation:

Hemoglobin has a quaternary structure. It consists of two pairs of different proteins, designated the α and β chains. There are 141 and 146 amino acids in the α and β chains of hemoglobin, respectively. As in myoglobin, each subunit is linked covalently to a molecule of heme.