Multiple choice

The major ingredient of leather is _____.

  1. Carbohydrate

  2. Collagen

  3. Polymer

  4. Nucleic acid
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The major ingredient of leather is collagen (option B). Leather is produced from animal hides through tanning, and the primary structural protein in animal connective tissue is collagen, which gives leather its strength and durability. Carbohydrates, polymers, and nucleic acids are not the primary components of leather.

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