If lipids are mixed with water, what aggregates can they form? Explain two characteristic superstructures which are commonly found in biological systems, containing our food. How is the lipid head groups oriented towards the water? Which factor verifies the superstructure formed by a lipid?

Together with other lipids cerebrosides are found on the surface of human cells. In contrast  to the head group of cholesterol which points to the in as well as to the outside, the head group of cerebrosides is found exclusively pointing to the outer surface of human cells.