eumelanin

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7 of History's Most Notorious Serial Killers

Ethel Rosenberg arrested in August 1950. Photograph dated Aug. 8, 1950. American civilians executed for espionage. Spies, communists, Julius Rosenberg

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Why Do Some Cicadas Appear Only Every 17 Years?

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6 Animals We Ate Into Extinction

US Marines firing at Fallujah, Iraq, during the Second Battle of Fallujah in November 2004. Operation Iraqi Freedom, Iraq War.

Timeline of the 2000s

eumelanin

biology

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production by melanocytes

In melanocyte
…of two kinds: dark brown eumelanin and pale red or yellowish phaeomelanin. Both are formed within the melanocytes by the initial oxidation of the amino acid tyrosine with the aid of the enzyme tyrosinase; subsequently their synthetic pathways diverge.
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