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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...

Krebs, Sir Hans Adolf

(Encyclopedia)Krebs, Sir Hans Adolf krĕbz, krĕps [key], 1900–1981, English biochemist, b. Germany, M.D. Univ. of Hamburg, 1925. He taught at Cambridge and at the Univ. of Sheffield and after 1954 was professor ...

cycle

(Encyclopedia)cycle, in astronomy, period of time required for the recurrence of some celestial event. The length of a cycle may be measured relative to the sun or to the fixed stars (see sidereal time). A frequent...

Krebs, Edwin Gerhard

(Encyclopedia)Krebs, Edwin Gerhard, 1918–2009, American biochemist, b. Lansing, Iowa. He and fellow Univ. of Washington professor Edmond Fischer discovered a biological regulatory mechanism, reversible protein ph...

Metonic cycle

(Encyclopedia)Metonic cycle: see synodic period. ...

Fenian Cycle

(Encyclopedia)Fenian Cycle: see Gaelic literature. ...

Ulster cycle

(Encyclopedia)Ulster cycle: see Gaelic literature. ...

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