CAS BI 213 Lecture Notes - Lecture 1: Buoyancy, Transmission Electron Microscopy, Negative Stain
17 Dec 2016
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Examples of the progress in cell & molecular biology that has opened new horizons in the practice of medicine: The identification of genes that contribute to individual susceptibility to a variety of common diseases like heart disease, rheumatoid arthritis, & diabetes. The development of new drugs specifically targeted to interfere w/ the growth of cancer cells. The potential use of stem cells to replace damaged tissues & treat patients suffering from conditions like diabetes, parkinson"s disease, alzheimer"s, & spinal cord injuries. Life emerged 3. 8 bill years ago, 750 years after earth formation: 1920"s- simple organic molecules could form & spontaneously polymerize into macromolecules under the conditions thought to exist in primitive earth"s atmosphere. Atmosphere lacked oxygen consisting mostly of co2 & n2 w/ small amts. This w/ a source of energy like sunlight or electrical discharge can spontaneously form organic molecules.
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