Which among the following is a fibre protein?

  1. Hemoglobin
  2. Albumin
  3. Keratin
  4. Enzyme

Answer (Detailed Solution Below)

Option 3 : Keratin
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Detailed Solution

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  • Keratin is a fibre protein. This protein is found in hair, nail, horn, wool etc.
  • It also protects epithelial cells from damage or stress.

Key Points

Protein

Properties

Hemoglobin

It is the protein that makes blood red.

Albumin

It is a family of globular proteins.

Enzyme

It is a protein molecule in cells that work as catalysts.

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