Entertainment / Photography / Ph Scale: Numerical system running from 0-14 and used to express the alkalinity or acidity of a chemical solution. 7 is neutral. Solutions with a lower ph value are increasingly acidic, and those with a higher ph value are increasingly alkaline
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Scale Adverb Synonyms: flake, imbrication, scurf, dandruff, squama, plate, scute or scutum, lamina, lamella
Scale Noun Synonyms: coating, encrustation or incrustation, crust, overlay, layer, cake, caking, tartar, plaque
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Science / Biology / Phosphate Group: A chemical group composed of a central phosphorous bonded to three or four oxygens. The net charge on the group is negative. MORE
Science / Chemistry / Phosphate: 1. The PO4-3 ion. 2. A compound containing the PO4-3 ion. MORE
Science / Biology / Phosphoglyceraldehyde (PGAL): A substance formed from PGA during the dark reaction of photosynthesis. Some PGAL leaves the cycle and can be converted to glucose, while other PGAL molecules are used to reform ribulose biphosphate MORE
Science / Biology / Phosphoglycerate (PGA): A three-carbon molecule formed when carbon dioxide is added to ribulose biphosphate (RuBP) during the dark reaction of photosynthesis (Calvin, or Calvin-Benson Cycle). PGA is converted to PGAL, using MORE
Science / Chemistry / Phospholipid: An ester of glycerol with two fatty acids and phosphoric acid (H3PO4) or a derivative of phosphoric acid group (like H2PO4CH2CH2N(CH3)3). Phospholipids have a hydrophilic head (the phosphate group) an MORE