Question

question 20
which of the following statements regarding melanin is false?
a melanin causes the formation of wrinkles.
b melanin gives skin its color.
c melanin protects against ultraviolet rays.
d melanin protects against skin cancer.

Explanation:

Melanin is a pigment that gives skin its color (B is true). It absorbs ultraviolet - rays, protecting the skin from UV damage and thus helps in reducing the risk of skin cancer (C and D are true). Wrinkles are mainly caused by factors like aging, loss of collagen and elastin, and repeated facial expressions, not by melanin.

Answer:

A. Melanin causes the formation of wrinkles.