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Question

Which one of the following is important for cartilage, but is NOT a globin protein?

This question was previously asked in
CDS 2 2026 Maths Question Paper (13-Sep-2026)
The correct answer is

Collagen

Collagen is the main structural protein present in cartilage and connective tissue. Unlike haemoglobin and myoglobin, which are globin (oxygen-binding) proteins, collagen has a triple-helix structure that provides tensile strength rather than oxygen transport.

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