Protection of the body cells of mammals against ultra-violet rays of the sun is brought about by? By: Sunday|Published on: May 14|Categories: Biology WAEC| 0 comments A. keratin B. melanin C. sebum D. scales Correct Answer: Option B B. melanin Users Also Read These:Which of the following statements on the use of…The difference between X-rays and gamma rays is that?Both γ-rays and X-rays ________. Which of the…In the kidney of mammals, the site of…Coordination and regulation of body activities in…SEE ALSO Heterozygous tall plants were crossed with pure-breeding dwarf plants of the same species. What were the approximate percentages of the offspring?