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[pen-tuh-san] /ˈpɛn təˌsæn/

noun, Biochemistry.
any of a class of polysaccharides that occur in plants, humus, etc., and form pentoses upon hydrolysis.
(biochem) any of a group of polysaccharides, having the general formula (C5H8O4)n: occur in plants, humus, etc


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  • Pentose-nucleic-acid

    noun, Biochemistry. 1. a nucleic acid containing a pentose. 2. .

  • Pentose

    [pen-tohs] /ˈpɛn toʊs/ noun, Chemistry. 1. a monosaccharide containing five atoms of carbon, as xylose, C 5 H 1 0 O 5 , or produced from pentosans by hydrolysis. /ˈpɛntəʊs/ noun 1. any monosaccharide containing five atoms of carbon per molecule: occur mainly in plants and the nucleic acids pentose pen·tose (pěn’tōs’, -tōz’) n. Any […]

  • Pentosuria

    pentosuria pen·to·su·ri·a (pěn’tō-sur’ē-ə, -syur’-) n. The excretion of one or more pentoses in the urine.

  • Pentose phosphate pathway

    noun 1. a sequence of metabolic reactions by which NADPH is synthesized, together with ribose phosphate, part of the synthesis of nucleic acids pentose phosphate pathway n. A secondary pathway for the metabolism of glucose in tissues other than skeletal muscle, in which five-carbon sugars are synthesized and NADPH is produced in the cytoplasm outside […]

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