Which one is the most abundant protein in the animal world?

2 2012 AIPMT-PRE BiomoleculesProteins Easy
Which one is the most abundant protein in the animal world?
A Insulin
B Trypsin
C Haemoglobin
D Collagen

Detailed Solution

Collagen is the most abundant protein in the animal world; it is the main structural protein of connective tissue.
RuBisCO is the most abundant protein in the whole of the biosphere.

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