Which one is the most abundant protein in the animal world?

Biology
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#1

Which one is the most abundant protein in the animal world?

  1. Trypsin

  2. Hemoglobin

  3. Collagen

  4. Insulin

#2

Collagen is the most abundant protein in the animal world. It is a structural protein found in connective tissues such as skin, tendons, ligaments, and bones. Collagen provides strength and support to various parts of the body and is a critical component of the extracellular matrix.

Hemoglobin, trypsin, and insulin are important proteins but are not as abundant in the animal world as collagen.

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