biological processes
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This lecture completes the first half of the semester by analyzing three functional groups in terms of the interaction of localized atomic or pairwise orbitals. Many key properties of biological polypeptides derive from the mixing of such localized orbitals that we associate with "resonance" of the amide group. The acidity of carboxylic acids and the aggregation of methyl lithium into solvated tetramers can be understood in analogous terms...more
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After discussing the classic determination of the heat of atomization of graphite by Chupka and Inghram, the values of bond dissociation energies, and the utility of average bond energies, the lecture focuses on understanding equilibrium and rate processes through statistical mechanics. The Boltzmann factor favors minimal energy in order to provide the largest number of different arrangements of "bits" of energy. The slippery concept of di...more
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Over the last three years, Autodesk had to change delivery times due to customers' faster delivery demand. Autodesk was able to move forward using software as service, thinking about process, and innovating in an established company.
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July 26, 2007 presentation by Craig Heller for the Stanford University Office of Science Outreach's Summer Science Lecture Series. Craig Heller, Professor of Biological Sciences, shares how and why this novel technique is being developed and its potential to improve the quality of human life and the body's performance.
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We can use methods of genetic analysis to connect phylogenic information to geographical histories. Human migration has left genetic traces on every continent, and allows us to trace our roots back to Africa. Molecular genetic methods allow us to determine whether or not trait states were ancestral, which can have profound implications for fundamental biological ideas.
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The history of life and evolution has been characterized by several key events. These events can be grouped as new hierarchal levels of selection coming into play, as biological units coming together in symbiosis and specialization, or in a number of other ways. Other important events are situations of conflict resolution or information transmission, from the genetic to the cultural level.
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Rocco L. Mancinelli, a Senior Research Scientist with the Search for Extraterrestrial Life, discusses organisms' potential for survival, adaptation and biological evolution in the atmosphere and beyond to outer space.
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Taking a looking at oxidation and reduction in a biological context.
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In 1989, following the year when Dell, Inc. went public, Dell explains how the company had a large problem with inventory management. As a result, the company failed to transition properly in the industry from one technology to the other. However, because of this critical mistake, the company learned how to correctly manage their inventory, and according to Dell, became the best in the world at it. Later on, Dell also notes the company did...more
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Dell describes the process of self-disruption at Dell, Inc. He explains how the company examines its internal processes and constantly considers recreating ways to do them better. The company also adopts a mindset of looking at how these processes would be done differently if they were to start from scratch.
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Baseband detection and complex Gaussian processes
