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Examples ofxanthine
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Contact with the purines, especially guanine andxanthine, triggers the arrestment response and causes the ticks to cease activity, forming a cluster.
From theCambridge English Corpus
Under normal conditions this membrane bound enzyme exists in thexanthinedeydrogenase form, converting hypoxanthine to xanthine, and xanthine to uric acid.
From theCambridge English Corpus
Cytosolicxanthineoxidoreductase mediated bioactivation of ethanol to acetaldehyde and free radicals in rat breast tissue.
From theCambridge English Corpus
Hyperuricemia andxanthineoxidase in preeclampsia, revisited.
From theCambridge English Corpus
Models for hemerythrin, an enzyme with a diiron active site, andxanthineoxidase, a molybdoenzyme, have been examined.
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This example is from Wikipedia and may be reused under a CC BY-SA license.It was one of the first adenosine receptor antagonists discovered that is not axanthinederivative, instead being a triazoloquinazoline.
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This example is from Wikipedia and may be reused under a CC BY-SA license.Thexanthinecore of caffeine contains two fused rings, a pyrimidinedione and imidazole.
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This example is from Wikipedia and may be reused under a CC BY-SA license.Inhibition ofxanthineoxidase has been proposed as a mechanism for improving cardiovascular health.
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This example is from Wikipedia and may be reused under a CC BY-SA license.Subsequent research failed to substantiate, and in many cases has refuted a plausible effect ofxanthineoxidase from homogenized milk on cardiovascular disease.
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This example is from Wikipedia and may be reused under a CC BY-SA license.He investigatedxanthineoxidase, and thereby elucidated many aspects of the chemistry of dehydrogenases.
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This example is from Wikipedia and may be reused under a CC BY-SA license.Xanthine, in a manner analogous to the enol tautomer of guanine, selectively base pairs with thymine instead of cytosine.
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This example is from Wikipedia and may be reused under a CC BY-SA license.In purine catabolism,xanthineis first converted to urate.
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This example is from Wikipedia and may be reused under a CC BY-SA license.Change of the ratxanthineoxidase/dehydrogenase and uric acid formation by aging and dietary restriction in the liver.
From theCambridge English Corpus
Increasedxanthineoxidase during labour-implications for oxidative stress.
From theCambridge English Corpus
Hypoxanthine is produced from adenine,xanthinefrom guanine.
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This example is from Wikipedia and may be reused under a CC BY-SA license.These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.