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polarity |
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polarity(1) The direction of charged particles, which may determine the binary status of a bit. polarity the condition of a body or system in which it has opposing physical properties at different points, esp magnetic poles or electric charge polarity [pə′lar·əd·ē] (communications) The direction in which a direct current flows, in a teletypewriter system. The sense of the potential of a portion of a television picture signal representing a dark area of a scene relative to the potential of a portion of the signal representing a light area. (mathematics) Property of a line segment whose two ends are distinguishable. (cell and molecular biology) The orientation of a strand of polynucleotide with respect to its partner, expressed in terms of nucleotide linkages. (physics) Property of a physical system which has two points with different (usually opposite) characteristics, such as one which has opposite charges or electric potentials, or opposite magnetic poles. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| The keynote lecture will be held on Sunday evening, June 12, by Tony Pawson from the Samuel Lumenfeld Research Institute, Toronto, Canada on the topic of Cell Polarity. As such it plays a fundamental role in all aspects of cell mechanics including cell division, intracellular transport, cell motility and the establishment and regulation of cell polarity and organization. Regulation of Cell Polarity University College London, During Cell Migration MRC Laboratory for Molecular Cell Biology - Julie A. |
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