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Unformatted text preview: 3 = 0.6 cm 2 /cm 3 (or 0.6 square cm of surface area for each cubic cm of volume). Cells Notice that the larger cube has more surface area and more volume but less surface area for each cubic centimeter of volume. For any given geometric object (cubes, spheres, etc.), smaller objects have a greater surface to volume ratio (surface:volume) than larger objects of the same shape. Every cell is surrounded by a plasma membrane (discussed below and in the next chapter). Most cells are very small and therefore have a high ratio of plasma membrane surface to cell volume. Cell Theory All organisms are composed of cells, and a cell is the smallest unit of living matter. Cells come only from preexisting cells....
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This note was uploaded on 12/15/2011 for the course BIO BSC1010 taught by Professor Gwenhauner during the Fall '10 term at Broward College.
 Fall '10
 GwenHauner
 Biology

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