Biological pigment of the tetrapyrroles is their connection in the biological oxidation process. Tetrapyrroles have a major role in electron transport and act as a replacement for many enzymes. They also have a role in the pigmentation of the marine organism's tissues. Melanin is a class of compounds that serves as a pigment with different structures responsible for dark, tan, yellowish / reddish pigments in marine animals. It is produced as the amino acid tyrosine is converted into melanin, which is found in the skin, hair, and eyes. Derived from aerobic oxidation of phenols, they are polymers. There are several different types
Showing Our Colors: Afro-German Women Speak Out "Showing Our Colors" explores the way by which Afro-Germans were historically attributed shameful, negative or patronizing characteristics with regard to their "non-white" skin color. Because so many negative connotations were associated with "blackness" at the time, many Afro-Germans identified that what was found to be more threatening to Germans at the time than the idea of deviation from the norm or "whiteness" was the idea of "intrusion" or destroying this white norm. "Showing Our Colors" notes that, apart from their appearance, many Afro-Germans labeled as "exotic" had nothing "foreign" to offer in that they spoke German perfectly, had German names