BIO 1140 Lecture 2: BIONOTES

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Lecture 2 and 3: intro to cell biology. What is it made of, name the different organelles and roles and funtcions. What are the different scales/sizes for cells and organelles. What are the main groups of types of cells and how are they different. Understand different types of microscopy and their requirements for use in cell biology. Explain the theory of the cell and endosymbiosis. What is a cell: robert hooke made the first microscope in the mid 1600"s, his first siting was of a cork. He thought the display looked like small rooms: 200 years of observations and gathering data, understand how complex cells and named it cellulae work created cell biology. Cell theory mid 1800s: all organisms are composed of one or more cells, cell is the basic structural and functional unit of all living organisms, cells arise from division and pre-existing cells. Wide range of sizes (nm to m) Simple or complex shapes, related to function.

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