The commonly used definition of a prokaryote is that it is a single celled organism without a membrane bound nucleus. Any organism with more than one cell would by definition not be a prokaryote. See wikipedia for details: Prokaryote.
Methamphetamine (contracted from N-methyl-alpha-methylphenethylamine) is a strong central nervous system (CNS) stimulant that is mainly used as a recreational drug.hile enantiopure dextromethamphetamine is a more potent drug than racemic methamphetamine, the racemic form is sometimes produced and sold instead of dextromethamphetamine due to the relative ease of its synthesis by certain methods and the limited availability of associated chemical precursors.
The substance 3,4-methylenedioxymethamphetamine (MDMA [ie, ecstasy, XTC, Adam, E, X, clarity, Stacy, Molly]) is an amphetamine derivative that has gained significant popularity in recent years and has become the recreational drug of choice for many adolescents and young adults.