DECANTING GOLDDISTILLATIONFILTRATIONCHROMATOGRAPHYFIND OUT MOREThe substances in a mixture are separated by the differences in their physical properties, such as their particle size. The more…
(Encyclopedia) Tsien, Roger Yonchien, 1952–2016, American biochemist, b. New York City, Ph.D. Cambridge, 1977. Tsien was a researcher at Cambridge (1977–81) and a professor at the Univ. of California…
Source: Archive Photos Sinatra continued to wow critics and fans when he made the leap to film and emerged as a serious actor. His role as doomed soldier Angelo Maggio in 1953's poignant portrait…
IntroductionHistorical Development and Mechanisms of Evolution and Natural SelectionIntroductionEarly Theories of EvolutionNatural Selection and EvolutionNatural-Selection MechanismsDid a giraffe's…
(Encyclopedia) Dausset, JeanDausset, JeanzhäN dōsĕˈ [key], 1916–2009, French immunologist. A physician specializing in blood diseases, he was the laboratory director of the National Blood Transfusion…
(Encyclopedia) Tay-Sachs diseaseTay-Sachs diseasetāˈ-săksˈ [key], rare hereditary disease caused by a genetic mutation that leaves the body unable to produce an enzyme necessary for fat metabolism in…
Natural SelectionGenetic Variation and Natural SelectionIntroductionNatural SelectionPost-Mendelian Inheritance Factors As discussed in Specialized Cell Structure and Function, sexual reproduction…
Early Theories of EvolutionHistorical Development and Mechanisms of Evolution and Natural SelectionIntroductionEarly Theories of EvolutionNatural Selection and EvolutionNatural-Selection Mechanisms…
