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Symbiogenesis

Raven Biology Chapter 4 Notes

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Biology
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organelles
cell
Outline of cell biology
Eukaryote
Endoplasmic reticulum
plant cell
Vesicle
Lysosome
Symbiogenesis
Vacuole
Cytoskeleton
Golgi apparatus

Gavin Morgan 9/23/2015 Chapter 4 2-Point Notes Cell theory is the unifying foundation of cell biology: 1. All organisms are composed of one or more cells. 2. Cells are the smallest living things, and arise only by division of a previously existing cell. Cell size is limited: 1. As the size of a cell increases, the length of time for diffusion from the outside membrane to the interior of the cell increases as well. 2. Some cells, such as skeletal muscle cells, have more than on nucleus, allowing genetic information to be spread around a large cell. Microscopes allow visualization of cells and components:
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