This chemical exfoliation is promoted for its cosmetic effects on wrinkled or sun-damaged skin.
, an omega-6 fatty acid formed by the action of enzymes on phospholipids in cell membranes. It is metabolized primarily by the cyclo-oxygenase or 5-lipoxygenase pathways to produce prostaglandins and leukotrienes, which are important mediators of inflammation.
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They give bile its foamy character, are important in the digestion of fats in the intestine, and are reabsorbed from the intestine to be used again by the liver.
The percentage of 12 C to the remaining 14C shows the time period passed since cessation of life.
Adjectives are used with nouns to make the meaning more specific.
a chemical analysis used to determine the age of organic materials based on their content of the radioisotope carbon-14; believed to be reliable up to 40,000 years Familiarity information: CARBON DATING used as a noun is very rare.
Dating technique which makes use of the fact that atmospheric carbon dioxide includes a consistent percentage of radioactive 14C, created by cosmic radiation.