BIOL 102 Lecture Notes - Lecture 7: Electron Microscope, Proteome, Archaea
29 Aug 2016
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Explain the three important parameters in microscopy: Magnification: ratio between size of an image of a specimen and it"s actual size. Resolution: abilitiy to observe (resolve) two nearby objects. Contrast: ability of an image to stand out from it"s surroundings. Describe the major difference between light and electron microscopes: Resolution of an electron microscope is much greater because the wavelength of an e- is much shorter than that of visible light. Proteome: proteins that are made in a particular time and under specific conditions (environment, the proteome is controlled by the genome. The genome in every cell is the same: a proteome will take on a specific function/structure, based on the interplay of info between a cell"s environment and it"s genome. Chapter 4: replicate asexually through binary fission. Archaea achieve a swimming motility via one or more tail-like flagllae: extremophiles, achievine wide environmental tolerance of temperature, salinity and even radioactive environments, live in extremely hostile conditions.
