(A) Phosphoglyceride 8 Sphingomyelin (B) Archaeal lipid Shorthand depiction Headgroup nompatidylchollne ( +-CHCHN'(CHa3 CH opaiythotmne (P) Pnosphatidlc acld (PA) ←州 +CH2CH-N'H3 coo' 上 CHCH(OH)CH2OH otyinoalt(P OH Salurated和竹y acids Acyl chain Laurie (12-0) CHa(CH2)10COOH yriatic(14:的 CH3/CHa)+2COOH Palmitic (1:0) CH3(CH2)COOH Stearic(18:0) CHa(CH2)1ECOOH Unsaturated fatty aclds Paimitelele [1C:140) CH(CHJ.CH-CH(CHJ/COOH Olele (18:149) CHa(CH2)7CH-CH(CH2.COOH Linoiele (10:209.12) CHa(CH2aCH-CHCH CH-CH(CH2)COOH3