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2 days ago · Insects with certain mutations in their sodium channel gene are resistant to DDT and similar insecticides. DDT resistance is also conferred by up-regulation of genes expressing cytochrome P450 in some insect species, [27] as greater quantities of some enzymes of this group accelerate the toxin's metabolism into inactive metabolites.
2 days ago · Alprazolam, sold under the brand name Xanax and others, is a fast-acting, potent tranquilizer of moderate duration within the triazolobenzodiazepine group of chemicals called benzodiazepines. [10] Alprazolam is most commonly prescribed in the management of anxiety disorders, especially panic disorder and generalized anxiety disorder (GAD). [6]
3 days ago · List of radioactive nuclides by half-life. This is a list of radioactive nuclides (sometimes also called isotopes ), ordered by half-life from shortest to longest, in seconds, minutes, hours, days and years. Current methods make it difficult to measure half-lives between approximately 10 −19 and 10 −10 seconds. [1]
4 days ago · Adrenaline, also known as epinephrine, is a hormone and medication [7] [8] which is involved in regulating visceral functions (e.g., respiration). [7] [9] It appears as a white microcrystalline granule. [10] Adrenaline is normally produced by the adrenal glands and by a small number of neurons in the medulla oblongata. [11]
1 day ago · PHP is a general-purpose scripting language that is especially suited to server-side web development, in which case PHP generally runs on a web server. Any PHP code in a requested file is executed by the PHP runtime, usually to create dynamic web page content or dynamic images used on websites or elsewhere. [282]
