Michelle Chang
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Michelle Chang
Michelle C. Y. Chang (born 1977) is a Professor of Chemistry and Chemical and Biomolecular Engineering at the University of California, Berkeley, and is a recipient of several young scientist awards for her research in biosynthesis of biofuels and pharmaceuticals. Education Chang received her B.S. in Biochemistry and B.A. in French Literature from the University of California, San Diego in 1997. She then moved to the Massachusetts Institute of Technology for graduate school as a National Science Foundation Predoctoral Fellow (1997-2000) and M.I.T./Merck Foundation Predoctoral Fellow (2000-2002). She earned her Ph.D. in 2004 under the direction of JoAnne Stubbe and Daniel G. Nocera. During her graduate work, Chang studied proton-coupled electron transfer processes in ribonucleotide reductase enzymes, and demonstrated the first direct evidence of the radical transfer pathway of class I RNRs. Following graduate school, she conducted research as a Jane Coffin Childs Memorial Fund fo ...
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Tekken Series
is a Japanese media franchise centered on a series of fighting video and arcade games developed and published by Bandai Namco Entertainment (formerly Namco). The franchise also includes film and print adaptations. The main games in the series follow the events of the King of Iron Fist Tournament, hosted by the Mishima '' Zaibatsu'', where players control a plethora of characters to win the tournament and gain control of the company; the conflict between the Mishima family serves as the main focus of the series' plot, while players explore other characters' motivations in aiming to control the Zaibatsu. Gameplay focuses on hand-to-hand combat with an opponent, with the gameplay system including blocks, throws, escapes, and ground fighting. The series later introduced combos and special moves, with characters also able to stage break arenas. ''Tekken'' is noted as being one of the first fighting games at the time to use 3D animation. Japanese video game developer Namco began the ...
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Ribonucleotide Reductase
Ribonucleotide reductase (RNR), also known as ribonucleoside diphosphate reductase (rNDP), is an enzyme that catalyzes the formation of deoxyribonucleotides from ribonucleotides. It catalyzes this formation by removing the 2'-hydroxyl group of the ribose ring of nucleoside diphosphates. This reduction produces deoxyribonucleotides. Deoxyribonucleotides in turn are used in the synthesis of DNA. The reaction catalyzed by RNR is strictly conserved in all living organisms. Furthermore, RNR plays a critical role in regulating the total rate of DNA synthesis so that DNA to cell mass is maintained at a constant ratio during cell division and DNA repair. A somewhat unusual feature of the RNR enzyme is that it catalyzes a reaction that proceeds via a free radical mechanism of action. The substrates for RNR are ADP, GDP, CDP and UDP. dTDP (deoxythymidine diphosphate) is synthesized by another enzyme ( thymidylate kinase) from dTMP (deoxythymidine monophosphate). Structure Ribonucleoti ...
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Arthur C
Arthur is a common male given name of Brythonic origin. Its popularity derives from it being the name of the legendary hero King Arthur. The etymology is disputed. It may derive from the Celtic ''Artos'' meaning “Bear”. Another theory, more widely believed, is that the name is derived from the Roman clan '' Artorius'' who lived in Roman Britain for centuries. A common spelling variant used in many Slavic, Romance, and Germanic languages is Artur. In Spanish and Italian it is Arturo. Etymology The earliest datable attestation of the name Arthur is in the early 9th century Welsh-Latin text ''Historia Brittonum'', where it refers to a circa 5th to 6th-century Briton general who fought against the invading Saxons, and who later gave rise to the famous King Arthur of medieval legend and literature. A possible earlier mention of the same man is to be found in the epic Welsh poem ''Y Gododdin'' by Aneirin, which some scholars assign to the late 6th century, though this is still a ...
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