it14spr101.40EC2t10 11 12.txt

group of organic chemicals that are insoluble in water but soluble in organic solvents lipids

one of the building blocks of a fat molecule fatty acids

organic compound that is a building block for fat molecules glycerol

single carbon-carbon bonds link all the carbon atoms saturated fatty acid

one or more double bonds between carbon atoms unsaturated fatty acids

type of organic molecule including complex rings of carbon and hydrogen atoms steroids 

molecule consisting of two fatty acids and phosphate group bound to a glycerol molecule phospholipids

lipid composed of three fatty acids and glycerol molecule triglycerides

forms the "head" of the molecule and is soluble in water(phospholipids) hydrophilic

forms the "tail" and is the fatty portion that is insoluble in water hydrophobic

nitrogen containing organic compound composed of bonded amino acid proteins

protein that catalyzes a specific biochemical reaction enzymes

organic compound that includes an amino group and a carboxyl group; the structural unit of a protein molecule amino acids

Three dimensional structure of a protein, determined by its amino acid sequence and attractions and repulsions between amino acids in different parts of the molecule conformation

amino acid sequence of the polypeptide chain primary structure

the polypeptide chain of a protein molecule is often either pleated of twisted to form a coil secondary structure

three dimensional folding tertiary structure

two or more polypeptide chains may be connected to form a single protein molecule quaternary structure

dramatic change denature

known as a side chain; it distinguishes one type of amino acid from another group R

a molecule that is composed of bonded nucleotides; RNA or DNA nucleic acid

building block of a sugar, nitrogenous base, and phosphate group nucleotides

ribonucleic acid RNA

Deoxyribonucleic acid, the genetic material DNA