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The Chemistry of Biology: Carbohydrates

CarbohydratesThe Chemistry of BiologyIntroductionAtomic TheoryChemical Reactions: Ionic, Covalent, and Polar Covalent BondsWaterOrganic ChemistryCarbohydratesLipidsProteinsNucleic AcidsVitamins and…

Fungal Infections: Fighting Fungus

Fighting FungusFungal InfectionsIntroductionTypes of InfectionFungal Infections of the SkinFighting Fungus As noted earlier in this section, the strength or weakness of the body's immune system is…

Branches of Science

Science describes an area of knowledge, typically about something in the physical world, that can be explained in terms of scientific observation or the scientific method. The scientific method is a…

zirconium

(Encyclopedia) zirconiumzirconiumzərkōˈnēəm [key], metallic chemical element; symbol Zr; at. no. 40; at. wt. 91.224; m.p. about 1,852℃; b.p. 4,377℃; sp. gr. 6.5 at 20℃; valence +2, +3, or +4.…

radium

(Encyclopedia) radiumradiumrāˈdēəm [key] [Lat. radius=ray], radioactive metallic chemical element; symbol Ra; at. no. 88; mass number of most stable isotope 226; m.p. 700℃; b.p. 1,140℃; sp. gr. about…

oxidation and reduction

(Encyclopedia) oxidation and reduction, complementary chemical reactions characterized by the loss or gain, respectively, of one or more electrons by an atom or molecule. Originally the term…

Alder, Kurt

(Encyclopedia) Alder, KurtAlder, Kurtälˈdər [key], 1902–58, German chemist, educated at Berlin and at Kiel. He was on the research staff of the Bayer Dye Works (1936–40) before becoming (1940)…

Haworth, Sir Walter Norman

(Encyclopedia) Haworth, Sir Walter Norman, 1883–1950, British chemist, Ph.D. Univ. of Göttingen, 1911. Haworth held academic posts at Imperial College of Science and Technology in London (1911–12),…