Which of following is a structural protein?
Correct answer: D. Collagen
- A. Pepsinogen
- B. Casein
- C. Enzyme
- D. Collagen
Explanation
Collagen is the main structural protein in the extracellular matrix found in the body's various connective tissues.
This question appeared on the NUMS 2021 paper, which you can sit online with every answer explained.
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About Proteins
Proteins are polymers of amino acids joined by peptide bonds, and their function depends on primary, secondary, tertiary and quaternary structure. The topic covers fibrous and globular proteins, enzymes, antibodies, hormones and transport proteins, as well as denaturation by heat or extreme pH.
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