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The Chemistry of Biology: Organic Chemistry

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

umkokola

(Encyclopedia) umkokola, small, thorny S and E African tree (Dovyalis caffra, also called kei-apple), widely cultivated in its native area for the round or oval bright yellow fruits. Their juicy pulp…

Río Grande del Norte National Monument

(Encyclopedia) Río Grande del Norte National Monument, 242,500 acres (98,140 hectares), N central N.Mex, on the Taos Plateau between the San Juan and Sangre de Cristo mts.; est. 2013. The monument…

Vakhtangov, Yevgeni

(Encyclopedia) Vakhtangov, YevgeniVakhtangov, Yevgeniyĭvgāˈnyē väkhtänˈgôf [key], 1883–1922, Russian actor, producer, and founder of the Moscow theater that bears his name. A pupil and friend of…

Stock Market

Basics for bulls and bears by Holly Hartman The word stock simply refers to a supply. You may have a stock of T-shirts in your closet, or a stock of pencils in your desk. In the financial market…

Sorry, Wrong Animal

The American buffalo is not a buffalo; it is a bison.IMSI Master Clips The bald eagle is not bald; it has a cap of white feathers on top of its head.arttoday.com The koala is not a bear; it is a…

MacMillan, Donald Baxter

(Encyclopedia) MacMillan, Donald Baxter, 1874–1970, American arctic explorer, b. Provincetown, Mass., grad. Bowdoin College, 1898, and studied at Harvard. After a decade of teaching, he went on the…

jew's-harp

(Encyclopedia) jew's-harp or jews'-harp, musical instrument of ancient lineage composed of a small metal frame containing a flexible metal tongue. The frame is held between the teeth and the metal…

Guido of Siena

(Encyclopedia) Guido of SienaGuido of Sienasēĕnˈə [key], fl. 13th cent., Italian painter. All that is known of him is an inscription on a large and almost completely repainted Virgin and Child…

coltsfoot

(Encyclopedia) coltsfoot, Eurasian perennial herb (Tussilago farfara) of the family Asteraceae (aster family), now a widespread weed in most northern lands. The scaly flower stalk bears a yellow…