Multiple choice general knowledge

Which material is the main component of surface skin cells?

  1. A type of protein called keratin.

  2. A type of protein called albumen.

  3. A type of lipid called trans-fatty acid

  4. None of the Above
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A Correct answer
Explanation

Keratin is a fibrous structural protein that is the main component of surface skin cells (the stratum corneum of the epidermis), as well as hair and nails. It provides strength and protection to the skin. Albumen is egg white protein, trans-fatty acids are unhealthy lipids associated with processed foods, neither of which are skin cell components.

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