Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas
302 | Chris Kempes on the Biophysics of Evolution
Chris Kempes
get substrates, the stuff that you use, products, the wastes in and out of the cell fast enough with diffusion alone for large bacteria to make the metabolism function. So you have to start adding active transport inside the cell, ways to stir the cytoplasm, ways to move packages around in the cytoplasm just to overcome the sort of challenges of diffusion.
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