Protection of the body cells of mammals against ultra-violet rays of the sun is brought about by? by Sunday | May 14 | Biology WAEC | 0 comments A. keratin B. melanin C. sebum D. scales Correct Answer: Option B B. melanin Users Also Read These:Cathode rays cause an object placed behind a…An eclipse of the sun by the moon occurs when the…The most efficient absorber of ultraviolet radiation…Which of the following statements is true of…A beam consisting of α-particles. β-particles and…