CHOLINE PrICHA polar hydrophilic) PHOSPHATE head group GLYCEROL CH: CH, N CH CH nonpolar cs.doubk (hydrophobic band tails Figure 10-2. The parts of a phospholipid molecule. Phosphatidylcholine, represented schematically(a), in formula(b),as a space-filling model( c), and as a symbol (). The kink due to the cis double bond is exaggerated in these drawings for emphasisFigure 10-2. The parts of a phospholipid molecule. Phosphatidylcholine, represented schematically (A), in formula (B), as a space-filling model (C), and as a symbol (D). The kink due to the cis￾double bond is exaggerated in these drawings for emphasis