The simplest carbohydrate, active alone or serving as a monomer for disaccharides and polysaccharides. Most are proteins.Ī chemical reaction in which two molecules become covalently bonded to each other with the removal of a water molecule.Ī chemical reaction that breaks bonds between two molecules by the addition o water functions in disassembly of polymers to monomers.Ī sugar (monosaccharide) or one o its dimers (disaccharide) or polymers (polysaccharides). The subunit that serves as the building block of a polymer.Ī macromolecule serving as a catalyst, a chemical agent that increases the rate of a reaction without being consumed by the reaction. This energy is used to drive endergonic reactions in cells.Ī long molecule consisting of many similar or identical monomers linked together by covalent bonds. The bonding capacity of a given atom the number of covalent bands an atom can form usually equals the number of unpaired electrons in its outermost shell.Īn organic molecule consisting of only carbon and hydrogen.Īn adenine-containing nucleoside triphosphate that releases free energy when its phosphate bonds are hydrolyzed. ![]() ![]() Polysaccharides, proteins, and nucleic acids. A giant molecule formed by the joining of smaller molecules, usually by a dehydration reaction.
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