Examlex
If fertilization occurs in seed plants, a seed will develop from the ____.
Opiate
A category of drugs derived from the opium poppy (or synthetic analogs) that primarily act as central nervous system depressants and are used for pain relief.
Amphetamines
Drugs (such as methamphetamine) that stimulate neural activity, causing accelerated body functions and associated energy and mood changes.
Barbiturates
A class of drugs that act as central nervous system depressants, historically used for sedation, anesthesia, and to treat conditions such as anxiety and insomnia.
Stimulants
Drugs (such as caffeine, nicotine, and the more powerful cocaine, amphetamines, methamphetamine, and Ecstasy) that excite neural activity and speed up body functions.
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