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keratin
(Encyclopedia)keratin kĕrˈətĭn [key], any one of a class of fibrous protein molecules that serve as structural units for various living tissues. The keratins are the major protein components of hair, wool, nail...Fehling's solution
(Encyclopedia)Fehling's solution fāˈlĭngz [key], deep-blue, alkaline solution used to test for the presence of aldehydes (e.g., formaldehyde, HCHO) or other compounds that contain the aldehyde functional group, ...Young Men's Christian Association
(Encyclopedia)Young Men's Christian Association, (the Y or YMCA), organization having as its objective the development of values and behaviors that are consistent with Christian principles. Despite its name, member...Mendès-France, Pierre
(Encyclopedia)Mendès-France, Pierre pyĕr măNdĕsˈ-fräNs [key], 1907–82, French statesman. A lawyer and economist, he entered (1932) the chamber of deputies as a Radical Socialist. In World War II he was a pi...Sistani, Ali Husaini
(Encyclopedia)Sistani, Ali Husaini or Husayni ho͞osānˈē äl– [key], 1930–, Shiite grand ayatollah in Iraq, b. Mashhad, Iran. Educated in religious schools in his native Iran, he went to Shiite holy city of ...protonation
(Encyclopedia)protonation prōˈtənāˌshən [key], in chemistry, addition of a proton to an atom, molecule, or ion. The proton is the nucleus of the hydrogen atom; the positive hydrogen ion, H+, consists of a sin...Christian of Anhalt
(Encyclopedia)Christian of Anhalt, 1568–1630, prince of Anhalt (1603–30). He was a firm Calvinist and a skilled diplomat. As adviser to Frederick IV, elector palatine, he sought to build a strong Protestant all...feathers
(Encyclopedia) CE5 Structure of a bird feather feathers, outgrowths of the skin, constituting the plumage of birds. Feathers grow only along certain definite tracts (pterylae), which vary in different groups of ...Babangida, Ibrahim
(Encyclopedia)Babangida, Ibrahim ēbräˈhēm bäbänˈgēdä [key], 1941–, Nigerian military and political leader. After graduating (1963) from Nigeria's military college, he joined the army and received further...gastropod
(Encyclopedia) CE5 Internal anatomy of a snail, Helix aspersa, representative mollusk of the class Gastropoda gastropod, member of the class Gastropoda, the largest and most successful class of mollusks (phylum ...Browse by Subject
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