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WAEC Biology 2012 Question 30

Question 30

Food Substances and Enzymes

The purpose of proteins in the diet of a mammal is to

  1. A.promote growth and repair cells.
  2. B.break down molecules.
  3. C.regulate the flow of chyme.
  4. D.serve as co-factors for enzymes.
Show the answer and explanation

Answer: A (promote growth and repair cells.)

Explanation

Proteins are body-building foods used for growth and repair of tissues.