A Computer Scientist's Guide to Cell Biology by William W. Cohen

By William W. Cohen

This ebook is designed in particular as a consultant for computing device Scientists wanting an advent to mobilephone Biology. The textual content explores 3 diverse features of biology: organic platforms, experimental tools, and language and nomenclature. the writer discusses what biologists try to figure out from their experiments, how a variety of experimental approaches are used and the way they relate to accredited thoughts in machine technology, and the vocabulary essential to learn and comprehend present literature in biology. The publication is a useful reference device and a very good place to begin for a extra finished exam of telephone biology.

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However, molecules move 34 A Computer Scientist’s Guide to Cell Biology randomly, not systematically, which limits the ground that they cover. It is fairly easy to show that for objects moving by a random walk— specifically, objects that move a fixed distance in a random direction at each time step—the time it takes to cover a distance x with high probability varies as Vx 2, where V depends on distance traveled per unit time. This is very different from the macroscopic world, where the time to cover distance x is usually linear in x.

The confocal microscope was patented by Marvin Minsky (one of the founders of artificial intelligence) in 1957, but only became practical years later, with the development of lasers. Electron microscopes Electron microscopes use higher-fre- Mitochondria are organelles quency wavelengths, which gives them that produce energy from improved resolution, relative to optical glucose and oxygen. Actin is microscopes. Electron microscopes can, a protein that forms in principle, resolve objects 10,000 times microfilaments, long filaments which help give a smaller than optical microscopes—in cell its shape.

Affinity chromatography is a new type of operation, which extracts mixture components according to a “user-defined predicate”—it selects elements that pass a certain experiment-specific test. ” For instance, one can select for antibiotic-resistant bacteria by treating a group of them with the antibiotic. A test that requires manual effort for each item is usually called a screen. To a first approximation, a screen is an O(n) operation, and a selection is an O(1) operation. As another example of “user predicates” in biology, consider a situation in which we have a mixture M of many proteins, and a particular protein X that we know binds to some of the proteins in M.

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