| oligonucleotide |
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noun
- A short sequence of nucleotides (RNA or DNA), typically with twenty or fewer base pairs.
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| omega-3 fatty acid |
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noun - (chemistry) any polyunsaturated fatty acid having a double bond between the third and fourth carbon atoms from the end of the molecule farthest from the carboxylic acid; they are found in green vegetables and in the oils of fish such as salmon and mackerel; they are essential fatty acids, and seem to be beneficial in reducing the risk of heart disease
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| oxaloacetic acid |
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noun - (biochemistry) on of the constituents of the citric acid cycle, formed by the oxidation of malic acid and via the transamination of aspartic acid; an intermediate in the synthesis of amino acids and the metabolism of carbohydrates
- (chemistry) a colourless crystalline organic carboxylic acid, butan-2-one-1,4-dicarboxylic acid, COOH.CH2.CO.COOH
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| oxidase |
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noun - (enzyme) Any of many enzymes which catalyze oxidation reactions, especially ones using molecular oxygen.
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| oxidoreductase |
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noun
- (enzyme) Any enzyme that catalyzes an oxidation-reduction (redox) reaction.
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| oxygenase |
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noun
- (enzyme) An enzyme which catalyses biochemical reactions with oxygen.
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| oxyhemoglobin |
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noun - US spelling of oxyhaemoglobin.
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| oxytocin |
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noun - (hormone) A hormone that stimulates contractions during labour/labor, and then the production of milk.
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