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Slide 2

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· One phosphate molecule or `group' attached
to a glycerol molecule with two fatty acids
· Phosphate group is hydrophilic
· Fatty acids are hydrophobic
· Make up a phospholipid bilayer in cell
· Acts as a barrier to water-soluble substances…read more

Slide 3

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· Has a hydroxyl (HO) group attached to
hydrocarbon rings attached to a hydrocarbon
· The hydroxyl group makes it soluble
· Its small size and flattened shape means it can
fit in between the fatty acid tails in the cell
membrane bilayer
· This causes them to pack closer together
making the membrane more rigid.…read more


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