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5,6-Dihydroxyindole is a chemical compound with the molecular formula C 8 H 7 NO 2. It is an intermediate in the production of the biological pigment eumelanin . [ 2 ] 5,6-Dihydroxyindole is biosynthesized from L -dopachrome in a reaction catalyzed by a tyrosinase enzyme and is further converted into indole-5,6-quinone . [ 3 ]
On 12 April 2018, the police said that Rakesh Kumar, who leaked the class 12 economics paper, had leaked class 10 mathematics paper also. [40] Consequently, the Central Board of Secondary Education has put in place a system of "encrypted" question papers, which are supposed to be printed by the schools half an hour before the exam starts. [41]
The 6.5mm Grendel is an intermediate cartridge jointly designed by British-American armorer Bill Alexander, competitive shooter Arne Brennan (of Houston, Texas) and Lapua ballistician Janne Pohjoispää, as a low-recoil, high-precision rifle cartridge specifically for the AR-15 platform at medium/long range (200–800 yard).
On May 12, 2009, China marked the first anniversary of the quake with a moment of silence as people across the nation remembered the dead. The government also opened access to the sealed ruins of the Beichuan County seat for three days, after which it would be frozen in time as a state earthquake relic museum in remembrance of the disaster.