Complex sentence: She received her Ph.D. in Cell Biology from Rockefeller University in 1971, working under the supervision of Zanvil Cohn on a thesis titled "Dynamics of macrophage membrane cholesterol".
Split into simpler sentences: She received her Ph.D. in Cell Biology from Rockefeller University in 1971, working under the supervision of Zanvil Cohn. Her thesis was on the "Dynamics of macrophage membrane cholesterol".