Demmy

A structural polysaccharide, consisting of amino sugar monomers, found in many fungal cell walls and in the exoskeletons of all arthropods.

A chemical agent that selectively increases the rate of a reaction without being consumed by the reaction.

The form of native DNA, referring to its two adjacent antiparallel polynucleotide strands wound around an imaginary axis into a spiral shape

A macromolecule serving as a catalyst, a chemical agent that increases the rate of a reaction without being consumed by the reaction. Most e

A lipid consisting of three fatty acids linked to one glycerol molecule; also called a triacylglycerol or triglyceride.

A carboxylic acid with a long carbon chain. Fatty acids vary in length and in the number andlocation of double bonds; three fatty acids lin

An extensively branched glucose storage polysaccharide found in the liver and muscle of animals; the animal equivalent of starch.

A covalent bond formed between two monosaccharides by a dehydration reaction.

A chemical reaction that breaks bonds between two molecules by the addition of water; functions in disassembly of polymers to monomers.

Any of a group of large biological molecules, including fats, phospholipids, and steroids, that mix poorly, if at all, with water.

The subunit that serves as the building block of a polymer.

The simplest carbohydrate, active alone or serving as a monomer for disaccharides and polysaccharides. Also known as simple sugars, monosacc

A polymer (polynucleotide) consisting of many nucleotide monomers; serves as a blueprint for proteins and, through the actions of proteins,

The building block of a nucleic acid, consisting of a five-carbon sugar covalently bonded to a nitrogenous base and one or more phosphate gr

The covalent bond between the carboxyl group on one amino acid and the amino group on another, formed by a dehydration reaction.

A lipid made up of glycerol joined to two fatty acids and a phosphate group. The hydrocarbon chains of the fatty acids act as nonpolar, hydr

A long molecule consisting of many similar or identical monomers linked together by covalent bonds.

A polymer consisting of many nucleotide monomers in a chain. The nucleotides can be those of DNA or RNA.

A polymer of many amino acids linked together by peptide bonds.

A polymer of many monosaccharides, formed by dehydration reactions.

A biologically functional molecule consisting of one or more polypeptides folded and coiled into a specific three-dimensional structure.

One of two types of nitrogenous bases found in nucleotides, characterized by a six-membered ring fused to a five-membered ring. Adenine (A)

One of two types of nitrogenous bases found in nucleotides, characterized by a six-membered ring. Cytosine (C), thymine (T), and uracil (U)

A type of nucleic acid consisting of a polynucleotide made up of nucleotide monomers with a ribose sugar and the nitrogenous bases adenine (

The sugar component of RNA nucleotides.

A recessively inherited human blood disorder in which a single nucleotide change in the β-globin gene causes hemoglobin to aggregate, chang

An unsaturated fat, formed artificially during hydrogenation of oils, containing one or more trans double bonds.

A lipid consisting of three fatty acids linked to one glycerol molecule; also called a fat or triglyceride.

A fatty acid that has one or more double bonds between carbons in the hydrocarbon tail. Such bonding reduces the number of hydrogen atoms at

A technique used to study the three-dimensional structure of molecules. It depends on the diffraction of an X-ray beam by the individual ato