S: (n) enzyme (any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions)
S: (n) adenosine deaminase, ADA (an enzyme found in mammals that can catalyze the deamination of adenosine into inosine and ammonia) "ADA deficiency can lead to one form of severe combined immunodeficiency disease"; "the gene encoding ADA was one of the earlier human genes to be isolated and cloned for study"
S: (n) amylase (any of a group of proteins found in saliva and pancreatic juice and parts of plants; help convert starch to sugar)
S: (n) cholinesterase (an enzyme that hydrolyses acetylcholine (into choline and acetic acid))
S: (n) enzyme (any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions)
S: (n) protein (any of a large group of nitrogenous organic compounds that are essential constituents of living cells; consist of polymers of amino acids; essential in the diet of animals for growth and for repair of tissues; can be obtained from meat and eggs and milk and legumes) "a diet high in protein"
S: (n) compound, chemical compound ((chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight)
S: (n) material, stuff (the tangible substance that goes into the makeup of a physical object) "coal is a hard black material"; "wheat is the stuff they use to make bread"
S: (n) ballast (any heavy material used to stabilize a ship or airship)
S: (n) sorbate (a material that has been or is capable of being taken up by another substance by either absorption or adsorption)
S: (n) sorbent, sorbent material (a material that sorbs another substance; i.e. that has the capacity or tendency to take it up by either absorption or adsorption)
S: (n) mineral (solid homogeneous inorganic substances occurring in nature having a definite chemical composition)
S: (n) rock, stone (material consisting of the aggregate of minerals like those making up the Earth's crust) "that mountain is solid rock"; "stone is abundant in New England and there are many quarries"
S: (n) particulate, particulate matter (a small discrete mass of solid or liquid matter that remains individually dispersed in gas or liquid emissions (usually considered to be an atmospheric pollutant))
S: (n) dust (free microscopic particles of solid material) "astronomers say that the empty space between planets actually contains measurable amounts of dust"
S: (n) elastomer (any of various elastic materials that resemble rubber (resumes its original shape when a deforming force is removed))
S: (n) earth, ground (the loose soft material that makes up a large part of the land surface) "they dug into the earth outside the church"
S: (n) detritus (loose material (stone fragments and silt etc) that is worn away from rocks)
S: (n) waste, waste material, waste matter, waste product (any materials unused and rejected as worthless or unwanted) "they collect the waste once a week"; "much of the waste material is carried off in the sewers"
S: (n) fiber, fibre (a slender and greatly elongated substance capable of being spun into yarn)
S: (n) filling, fill (any material that fills a space or container) "there was not enough fill for the trench"
S: (n) foam (a lightweight material in cellular form; made by introducing gas bubbles during manufacture)
S: (n) homogenate (material that has been homogenized (especially tissue that has been ground and mixed)) "liver homogenate"
S: (n) humate (material that is high in humic acids)
S: (n) impregnation (material with which something is impregnated) "the impregnation, whatever it was, had turned the rock blue"
S: (n) paper (a material made of cellulose pulp derived mainly from wood or rags or certain grasses)
S: (n) catalyst, accelerator ((chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected)
S: (n) activator ((biology) any agency bringing about activation; a molecule that increases the activity of an enzyme or a protein that increases the production of a gene product in DNA transcription)
S: (n) substance (the real physical matter of which a person or thing consists) "DNA is the substance of our genes"
S: (n) matter (that which has mass and occupies space) "physicists study both the nature of matter and the forces which govern it"
S: (n) entity (that which is perceived or known or inferred to have its own distinct existence (living or nonliving))
S: (n) part, portion, component part, component, constituent (something determined in relation to something that includes it) "he wanted to feel a part of something bigger than himself"; "I read a portion of the manuscript"; "the smaller component is hard to reach"; "the animal constituent of plankton"
S: (n) relation (an abstraction belonging to or characteristic of two entities or parts together)
S: (n) entity (that which is perceived or known or inferred to have its own distinct existence (living or nonliving))
S: (n) complement (one of a series of enzymes in the blood serum that are part of the immune response)
S: (n) catalase (enzyme found in most plant and animal cells that functions as an oxidative catalyst; decomposes hydrogen peroxide into oxygen and water)
S: (n) cyclooxygenase, Cox (either of two related enzymes that control the production of prostaglandins and are blocked by aspirin)
S: (n) disaccharidase (an enzyme that catalyzes the hydrolysis of disaccharides into monosaccharides)
S: (n) elastase (a pancreatic enzyme that catalyzes the hydrolysis of elastin)
S: (n) enterokinase (enzyme in the intestinal juice that converts inactive trypsinogen into active trypsin)
S: (n) histaminase (enzyme that acts as a catalyst in converting histidine to histamine)
S: (n) hyaluronidase, spreading factor, Hyazyme (an enzyme (trade name Hyazyme) that splits hyaluronic acid and so lowers its viscosity and increases the permeability of connective tissue and the absorption of fluids)
S: (n) isomerase (an enzyme that catalyzes its substrate to an isomeric form)
S: (n) kinase (an enzyme that catalyzes the conversion of a proenzyme to an active enzyme)
S: (n) lipase (an enzyme secreted in the digestive tract that catalyzes the breakdown of fats into individual fatty acids that can be absorbed into the bloodstream)
S: (n) lysozyme, muramidase (an enzyme found in saliva and sweat and tears that destroys the cell walls of certain bacteria)
S: (n) monoamine oxidase, MAO (an enzyme that catalyzes the oxidation of many body compounds (e.g., epinephrine and norepinephrine and serotonin))
S: (n) nitrogenase (an enzyme of nitrogen-fixing microorganisms that catalyzes the conversion of nitrogen to ammonia)
S: (n) enzyme (any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions)
S: (n) adenosine deaminase, ADA (an enzyme found in mammals that can catalyze the deamination of adenosine into inosine and ammonia) "ADA deficiency can lead to one form of severe combined immunodeficiency disease"; "the gene encoding ADA was one of the earlier human genes to be isolated and cloned for study"
S: (n) amylase (any of a group of proteins found in saliva and pancreatic juice and parts of plants; help convert starch to sugar)
S: (n) collagenase (any enzyme that catalyzes the hydrolysis of collagen and gelatin)
S: (n) complement (one of a series of enzymes in the blood serum that are part of the immune response)
S: (n) catalase (enzyme found in most plant and animal cells that functions as an oxidative catalyst; decomposes hydrogen peroxide into oxygen and water)
S: (n) cyclooxygenase, Cox (either of two related enzymes that control the production of prostaglandins and are blocked by aspirin)
S: (n) disaccharidase (an enzyme that catalyzes the hydrolysis of disaccharides into monosaccharides)
S: (n) elastase (a pancreatic enzyme that catalyzes the hydrolysis of elastin)
S: (n) enterokinase (enzyme in the intestinal juice that converts inactive trypsinogen into active trypsin)
S: (n) histaminase (enzyme that acts as a catalyst in converting histidine to histamine)
S: (n) hyaluronidase, spreading factor, Hyazyme (an enzyme (trade name Hyazyme) that splits hyaluronic acid and so lowers its viscosity and increases the permeability of connective tissue and the absorption of fluids)
S: (n) isomerase (an enzyme that catalyzes its substrate to an isomeric form)
S: (n) kinase (an enzyme that catalyzes the conversion of a proenzyme to an active enzyme)
S: (n) lipase (an enzyme secreted in the digestive tract that catalyzes the breakdown of fats into individual fatty acids that can be absorbed into the bloodstream)
S: (n) lysozyme, muramidase (an enzyme found in saliva and sweat and tears that destroys the cell walls of certain bacteria)
S: (n) reductase (an enzyme that catalyses the biochemical reduction of some specified substance)
S: (n) rennin, chymosin (an enzyme that occurs in gastric juice; causes milk to coagulate)
S: (n) secretase (a set of enzymes believed to snip pieces off a longer protein producing fragments of amyloid protein that bunch up and create amyloid protein plaques in brain tissue (the pathological hallmark of Alzheimer's))
S: (n) streptodornase (an enzyme produced by some hemolytic strains of streptococcus that dissolves fibrinous secretions from infections; used medicinally (often in combination with streptokinase))
S: (n) streptokinase (an enzyme produced by some strains of streptococcus that can liquefy blood clots by converting plasminogen to plasmin; used medicinally in some cases of myocardial infarction and pulmonary embolism)
S: (n) superoxide dismutase, SOD (an enzyme that catalyzes the conversion of superoxide into hydrogen peroxide and oxygen) "oxygen free radicals are normally removed in our bodies by the superoxide dismutase enzymes"
S: (n) telomerase (an enzyme in eukaryotic cells that can add telomeres to the ends of chromosomes after they divide)
S: (n) transferase (any of various enzymes that move a chemical group from one compound to another compound)
S: (n) trypsin (an enzyme of pancreatic origin; catalyzes the hydrolysis of proteins to smaller polypeptide units)
S: (n) urease (an enzyme that catalyzes the hydrolysis of urea into carbon dioxide and ammonia; is present in intestinal bacteria)
S: (n) zymase (a complex of enzymes that cause glycolysis; originally found in yeast but also present in higher organisms)
S: (n) phosphatase (any of a group of enzymes that act as a catalyst in the hydrolysis of organic phosphates)
S: (n) rennin, chymosin (an enzyme that occurs in gastric juice; causes milk to coagulate)
S: (n) secretase (a set of enzymes believed to snip pieces off a longer protein producing fragments of amyloid protein that bunch up and create amyloid protein plaques in brain tissue (the pathological hallmark of Alzheimer's))
S: (n) streptodornase (an enzyme produced by some hemolytic strains of streptococcus that dissolves fibrinous secretions from infections; used medicinally (often in combination with streptokinase))
S: (n) streptokinase (an enzyme produced by some strains of streptococcus that can liquefy blood clots by converting plasminogen to plasmin; used medicinally in some cases of myocardial infarction and pulmonary embolism)
S: (n) superoxide dismutase, SOD (an enzyme that catalyzes the conversion of superoxide into hydrogen peroxide and oxygen) "oxygen free radicals are normally removed in our bodies by the superoxide dismutase enzymes"
S: (n) telomerase (an enzyme in eukaryotic cells that can add telomeres to the ends of chromosomes after they divide)
S: (n) transferase (any of various enzymes that move a chemical group from one compound to another compound)
S: (n) trypsin (an enzyme of pancreatic origin; catalyzes the hydrolysis of proteins to smaller polypeptide units)
S: (n) urease (an enzyme that catalyzes the hydrolysis of urea into carbon dioxide and ammonia; is present in intestinal bacteria)
S: (n) zymase (a complex of enzymes that cause glycolysis; originally found in yeast but also present in higher organisms)