Question

113. An example of protein with quaternary
structure is
2 (1) Myoglobin
(2) Haemoglobin
(3) Keratin
(4) All of these​

Answer 1

Answer:

1234 I don't know. I think 4th one I am

Explanation:

4th class so

Answer 2

2 is correct becoz the haemoglobin consist of 4 oxygen molecules