Though there is great diversity in the animal kingdom, animals can be distinguished from the other kingdoms by a set of characteristics.he set of characteristics provided by Audesirk and Audesirk are: 1  Animals are multicellular. 2  Animals are heterotrophic, obtaining their energy by consuming energy-releasing food substances. 3  Animals typically reproduce sexually. 4  Animals are made up of cells that do not have cell walls.
DRUG DESCRIPTION. The active ingredient in PEPCIDÂ® (famotidine) is a histamine H2-receptor antagonist. Famotidine is N'(aminosulfonyl)-3-[[[2-[(diaminomethylene)amino]-4-thiazolyl]methyl]thio]propanimidamide. The empirical formula of famotidine is C 8 H 15 N 7 O 2 S 3 and its molecular weight is 337.43.Its structural formula is:top using famotidine and call your doctor at once if you have a serious side effect such as: 1  easy bruising or bleeding; 2  fast or pounding heartbeat; 3  confusion, hallucinations, seizure; 4  numbness or tingly feeling; or. 5  jaundice (yellowing of the skin or eyes).
A: Pepcid AC (famotidine) is in a group of drugs called histamine-2 (H2) blockers. H2 blockers work by decreasing the amount of acid the stomach produces. Pepcid AC is used to treat and prevent heartburn associated with acid indigestion and sour stomach.epcid sold OTC is used to help prevent and treat heartburn symptoms, such as indigestion or having a sour stomach after eating foods and drinking beverages that disagree with you. Pepcid belongs to a class of drug called histamine-2 or H2 blockers, which work by reducing the amount of acid your stomach produces.