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a molecule composed of sugar subunits that contain carbon hydrogen and oxygen in a 1:2:1 ratio


a molecule composed of three or more subunits


a single sugar unit


a sugar formed by the joining of two monosaccharide subunits

dehydration synthesis

the process which larger molecules are formed by the removal of water from two smaller molecules


the process by which larger molecules are split into smaller molecules by the addition of water


a carbohydrate composed of many single sugar subunits


a plant carbohydrate used to store energy


the form of carbohydrate storage in animals


a plant polysaccharide that makes up plant cell walls


a lipid composed of glycerol and three fatty acids


a lipid composed of glycerol and unsaturated fatty acids liquid at room temperature


lipid composed of glycerol and unsaturated fatty acids solid at room temperature


a lipid with a phosphate molecule attached to the glycerol back bone making the molecule polar the major components of cell membranes


a long chain lipid that is insoluble in water


a chain of amino acids that form the structural parts of cells or aact as antibodies or enzymes

amino acids

a chemical that contains nitrogen and they link together to form protein

peptide bond

the bond that joins to amino acids


a chain of three or more amino acids

essential amino acid

an amino acid that must be obtained from the diet


the process that ocurrs when the bonds of a protein molecule are disrupted causing the temporary change in shape


the process that occurs when the bonds of a protein molecule are disrupted causing a permanent change in shape

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