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STRASBOURG, FRANCE - APRIL 14: SNCF TGV train at the main station on April 14, 2013 in Strasbourg, France. TGV trains carried more than 2 billion passengers since startup
Alpha-Amylase, an enzyme that hydrolyses polysaccharides, such as starch and glycogen, to glucose and maltose Stock Photo
Structural formula of Tetrahydrocannabinol (THC), the psychoactive constituent of the cannabis plant Illustration
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