maximum fluidity of the cell membrane is due to ?: (A) linolenic acid, (B) linoleic acid, (C) palmitic acid, (D) arachadonic acid
Answer is B. Cholesterol * Increase in cholesterol conc. - less fluid on outer surface, more fluid on inner surface Effect of cholesterol on fluidity is different with different temperature. At temperature below Tm - cholesterol increases fluidity At temperature above Tm - cholesterol decreases fluidity ref : guyton and hall