foreign [Music] oh boy the grand entryway to Candy Kingdom Candy Castle a totally unique concept that sketchy lands Architects designed all by themselves without ever putting on a pair of Mouse ears to sneak into another Park in Candy Castle you enter through the Candy gift shop why all the candy well in this sketch we'll be covering carbohydrate classification the names and structures of some of the most important carb molecules yeah it's gonna be pretty sweet so let's get started carbohydrates are organic compounds composed of carbon chains bound to hydrogen and oxygen carbohydrate means watered carbon which you can remember with this carb H2O cooler full of the Carby water also known as soda Candy by the sack the next best thing to Candy by the truckload but you gotta work your way up to that one so we'll start with just one sack a monosac if you will this represents monosaccharides monosaccharides are carbohydrate monomers and as such cannot be hydrolyzed into a simpler molecule monosaccharides are also called simple sugars simple sugars can be classified based on the number of carbons they contain carbs with three carbons are called triosis four carbons make a tetros five is a pentose and six is a hexos see the pattern number prefix followed by OS kinda sounds like O's so to remember that oses are sugars we've got this sugary barrel of candy O's carbs can also be classified by the identity of their most oxidized functional group AKA which carbon has the most bonds to oxygen molecules and aldose is any car where the most oxidized functional group is an aldehyde which is why you can see Al in his sweet aldehyde hat hiding behind this Barrel