Question

Which of the following is the most abundant protein in animals?

• A. Haemoglobin
• B. Keratin
• C. RuBisCO
• D. Collagen

Answer 1

Answer: (D)

Collagen is the most abundant protein in the animal world and Ribulose bisphosphate Carboxylase-Oxygenase (RuBisCO) is the most abundant protein in the whole of the biosphere.