3. Cephalin(脑磷脂) and lecithin(卵磷脂) O CH,-0-C-RI CHo-0-C-RI CH-0-C-R2 CH-O一C-R2 O O CH CH2-0-P-OCH2CH2NH3 CH2-0-P-OCH2CH2NCH3 O O CH a phosphatidylethanolamine a phosphatidylcholine a cephalin a lecithin
3. Cephalin (脑磷脂) and lecithin (卵磷脂)
4 Cell membranes 糖酯链的碳靖 磷酯两分子层 糖蛋白 糖蛋白链的碳 疏水区 亲水区 细胞核 细胞质
4. Cell membranes