BIOB10H3 Study Guide - Midterm Guide: Archaea, Scanning Electron Microscope, Genetic Code

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Cells can only come up from other cells. Examined a cork under a microscope and realized it was made up of cells . Pond water and examined stu between his teeth. He called this stu animalcules : matthias schleiden, theodor schwann and rudolf virchow proposed the cell theory: all organisms are composed of one or more cells. Cells can arise only by division from a pre-existing cell. Basic properties of cells highly complex and organized process genetic program produce more of themselves acquire and utilize energy carry out chemical reactions engage in mechanical movement cells respond to stimuli (receptors) cells can self-regulate cells evolve. Fossil record show the connection between prokaryotes and eukaryotes did eukaryotes arise from prokaryotes: endosymbiont theory: combination of 2 cells living together in a symbiotic relationship. Types of prokaryotes: archea > live in extreme conditions (85- 105 degrees celsius, bacteria > all other bacteria, archae are closer to eukaryotes than eubacteria.

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