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Biomolecules: cell membranes, the movement of small and non polar…
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the movement of small and non polar molecules directly through the phospholipid bilayer of the membrane, down the conc gradient
the transport of hydrophilic substances across a selectively permeable membrane down conc gradient through transport proteins without the use of ATP
the net movement of water molecules across a region of high to low water potential across a selectively permeable membrane
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the uptake of substances into a cell by invagination of extension of the cell membrane to form a vesicle containing the substance
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the transport of substances across a selectively permeable membrane against the conc gradient using energy in the form of ATP
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