18. Which of the following is responsible for giving colour to human skin? A.Luciferin B.Haemoglobin C.Flavonoids D.Melanin
Answer: Option D Solution: The actual skin color of different humans is affected by many substances, although the single most important substance is the pigment melanin. Melanin is produced within the skin in cells called melanocytes and it is the main determinant of the skin color of darker-skin humans.
melanin
