Biological Role
Cobalt is an essential trace nutrient to all animals, found in vitamin B-12. Rhodium, iridium, and meitnerium have no known biological roles.
Read more about this topic: Group 9 Element
Famous quotes containing the words biological and/or role:
“Man’s biological weakness is the condition of human culture.”
—Erich Fromm (1900–1980)
“Whatever we’re doing, whoever we are, it isn’t enough. . . . Little wonder we have trouble finding role models to guide us through these shoals. No one less than God Herself could be all the things we’d like to be to all the people we’d like to feel approval from.”
—Melinda M. Marshall (20th century)