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| any of various neutral compounds of carbon, hydrogen, and oxygen (as sugars, starches, and celluloses) most of which are formed by green plants and which constitute a major class of animal foods |
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| any of numerous complex proteins that are produced by living cells and catalyze specific biochemical reactions at body temperatures |
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| any of various substances that are soluble in nonpolar organic solvents (as chloroform and ether), that with proteins and carbohydrates constitute the principal structural components of living cells, and that include fats, waxes, phospholipids, cerebrosides, and related and derived compounds |
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| the time elapsing between the beginning of the application of a stimulus and the beginning of an organism's reaction to it |
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| any of numerous naturally occurring extremely complex substances (as an enzyme or antibody) that consist of amino acid residues joined by peptide bonds, contain the elements carbon, hydrogen, nitrogen, oxygen, usually sulfur, and occasionally other elements (as phosphorus or iron), that are essential constituents of all living cells, that are synthesized from raw materials by plants but assimilated as separate amino acids by animals, that are both acidic and basic and usually colloidal in nature although many have been crystallized, and that are hydrolyzable by acids, alkalies, proteolytic enzymes, and putrefactive bacteria to polypeptides, to simpler peptides, and ultimately to alpha-amino acids |
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| an amphoteric organic acid containing the amino group NH2 |
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| the minimum amount of energy required to convert a normal stable molecule into a reactive molecule—called also energy of activation |
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| any of various acids (as an RNA or a DNA) composed of nucleotide chains |
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| a substance (as an enzyme) that enables a chemical reaction to proceed under different conditions (as at a lower temperature) than otherwise possible |
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| relating to, being, or dealt with by a branch of chemistry concerned with the carbon compounds of living beings and most other carbon compounds |
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| to form by combining parts |
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| the smallest particle of a substance that retains all the properties of the substance and is composed of one or more atoms |
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| a very large molecule (as of a protien, nucleic acid, or rubber) built up from smaller chemical structures |
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| a sugar not decomposable to simpler sugars by hydrolysis—called also simple sugar |
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| any of a class of sugars (as sucrose) that on hydrolysis yields two monosaccharide molecules—called also biose, double sugar |
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| a carbohydrate that can be decomposed by hydrolysis into two or more molecules of monosaccharides ; especially : one (as cellulose, starch, or glycogen) containing many monosaccharide units and marked by complexity—called also glycan |
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| being a solution that is unable to absorb or dissolve any more of a solute at a given temperature and pressure |
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| capable of absorbing or dissolving more of something |
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