Mixtures of pigments can also produce different and unusual color hues and shades. For example, the dull olive-green colors of certain forest birds is actually a mixture of yellow carotenoid pigments and dark-brown melanin pigments. Then we get to the second main ingredient that produces color: keratin. Keratin is the tough protein of which feathers are made. It also covers birdsâ bills, feet and legs. Keratin is responsible for the iridescent coloring of many spectacular bird species.
What is PROKERA Â®? PROKERA Â® is a therapeutic device used by eye doctors around the world to protect, repair and heal damaged eye surfaces. PROKERA Â® is made by clipping a piece of amniotic membrane tissue in between two rings made out of a clear, flexible material. What is amniotic membrane tissue? Amniotic membrane is part of the placenta and is the tissue closest to the baby throughout development in the womb.
From Wikipedia, the free encyclopedia. The king protea (Protea cynaroides) is a flowering plant. It is a distinctive member of Protea, having the largest flower head in the genus. The species is also known as giant protea, honeypot or king sugar bush.It is widely distributed in the southwestern and southern parts of South Africa in the fynbos region.The king protea is the national flower of South Africa.t is a distinctive member of Protea, having the largest flower head in the genus. The species is also known as giant protea, honeypot or king sugar bush. It is widely distributed in the southwestern and southern parts of South Africa in the fynbos region.