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Krebs cycle

(Encyclopedia)Krebs cycle, series of chemical reactions carried out in the living cell; in most higher animals, including humans, it is essential for the oxidative metabolism of glucose and other simple sugars. The...

sulfate

(Encyclopedia)sulfate, chemical compound containing the sulfate (SO4) radical. Sulfates are salts or esters of sulfuric acid, H2SO4, formed by replacing one or both of the hydrogens with a metal (e.g., sodium) or a...

polymer

(Encyclopedia)CE5 A. Addition polymerization: Two ethylene molecules, C2H4, combine to form two links in the polyethylene chain molecule (C2H4)n. B. Condensation polymerization: Two glycine molecules, NH2CH2COOH...

Doisy, Edward Adelbert

(Encyclopedia)Doisy, Edward Adelbert doiˈzē [key], 1893–1986, American biochemist, b. Hume, Ill., grad. Univ. of Illinois (B.A., 1914), Ph.D. Harvard, 1920. For his discovery of the chemical nature of vitamin K...

Chandrapur

(Encyclopedia)Chandrapur chänˈdə [key], city, Maharashtra state, central India, on the Irar River. It is a ...

Faisalabad

(Encyclopedia)Faisalabad līˈəlpo͝or [key], city, NE Pakistan, in a cotton- and wheat-growing area. It is an ...

Herschbach, Dudley Robert

(Encyclopedia)Herschbach, Dudley Robert hûrshˈbăk [key], 1932–, American chemist, b. San Jose, Calif., Ph.D. Harvard, 1958. In 1986, Herschbach shared the Nobel Prize in Chemistry with Yuan T. Lee and John C. ...

Hevesy, Georg von

(Encyclopedia)Hevesy, Georg von gāˈôrkh fən hĕˈvĕshē [key], 1885–1966, Hungarian physicist and chemist. He received the 1943 Nobel Prize in Chemistry for his work on the use of isotopes as tracers in stud...

Girona

(Encyclopedia)Girona hārōˈnä [key], city, capital of Girona prov., NE Spain, in Catalonia, on the Onyar ...

Grangemouth

(Encyclopedia)Grangemouth grānjˈməth, –mouth [key], town (1981 pop. 21,744), Falkirk, central Scotland, on the Forth River at the eastern terminus of the Forth and Clyde canal. Grangemouth is an important oil ...