BIO 3.2.3 transport across cell membranes
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Last updated 9:25 AM on 1/28/26
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5 Terms
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what makes up the cell membrane
phospholipids
transport proteins (carrier/channel)
glycoproteins and glycolipids
peripheral proteins
cholesterol
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why do the phospholipids form a bilayer
when there are many phospholipids, the hydrophobic fatty acid chains avoid the aqueous cytoplasm and extracellular space, facing inwards, while the hydrophilic heads have an affinity for water and face outwards
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fluid-mosaic model
arrangement of phospholipids with various proteins and lipids embedded in it
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purpose of membrane
Allow certain molecules in while keeping others out
Containing cell contents
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Note 
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