A) Haemoglobin and myoglobin
B) Fibrinogen and trypsin
C) Insulin and glucagon
D) Keratin and fibrin
Correct Answer: D
Solution :
Haemoglobin and myoglobin are functional; insulin and glucagon are also functional and so are fibrinogen and trypsin. But, keratin is structural and fibrin is functional protein.You need to login to perform this action.
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