Final answer:Barbicideuses two types ofdisinfectantswhich do not require changing; these are halogens and bisbiguanides. Halogens, such as iodine, oxidize cellular components, thereby destabilizing them and hindering microbial growth. Bisbiguanides, such as chlorhexidine, disrupt cell membranes leading to the cell's death.Explanation:The two disinfectants in Barbicide that do not require changing are halogens andbisbiguanides.Halogens like iodine work by oxidizing cellular components,destabilizingmacromolecules contained within these molecules. Iodine is usually complexed with an organic molecule within a compound called an iodophor to increase its stability andeffectiveness. The iodophor gradually releases the iodine as needed. One common example of an iodophor used in hospitals and clinics is povidone-iodine.Bisbiguanides, specifically chlorhexidine, have antimicrobial properties that make them good at killing a variety of microorganisms.They disrupt cell membranes leading to the congealment of cytoplasmic contents and, consequently, bacterial death. Chlorhexidine is more persistent and provides long-lasting antimicrobial activity, making it a favored choice in clinical settings.Learn more aboutBarbicide Disinfectantshere:brainly.com/question/32224313#SPJ11...

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