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.
Crystal methamphetamine (crystal meth) is a powerful central nervous stimulant with highly addictive properties. It is the crystalline form of methamphetamine, which is classified as a Schedule II drug by the United States Controlled Substances Act, meaning:1  It has a high potential for abuse.2  It has a currently accepted medical use. 3  Abuse of it may lead to severe psychological or physical dependence.t is the crystalline form of methamphetamine, which is classified as a Schedule II drug by the United States Controlled Substances Act, meaning: 1  It has a high potential for abuse. 2  It has a currently accepted medical use.