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JAMB Biology 1986 Question 31

Question 31

Homeostasis

In the mammalian skin, melanin and keratin are contained in the

  1. A.sebaceous gland
  2. B.sweat gland
  3. C.subcutaneous layer
  4. D.malpighian layer.
Show the answer and explanation

Answer: D (malpighian layer.)

Explanation

The Malpighian (growing) layer of the epidermis contains the pigment melanin, and its cells become filled with keratin as they move up to form the horny layer.