Lipid
Micelles of fatty acids in water are organized such that the __________ faces the solvent and the __________ are directed toward the interior

both (a) and (b)
hydrophilic heads, hydrophobic tails
carboxylic acid groups, hydrocarbon chains heads
hydrocarbon chains, carboxylic acid groups

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Lipid
Phospholipid contains

hydrophilic heads and hydrophobic tails
long water-soluble carbon chains
both (b) and (c)
positively charged functional groups

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