1. PP2A-PR72: Interactions with β[Heavy]-Spectrin and Investigation of Roles in Apical Polarity and Endosomal Trafficking Open Access Author: Travor, Mark D Title: PP2A-PR72: Interactions with β[Heavy]-Spectrin and Investigation of Roles in Apical Polarity and Endosomal Trafficking Area of Honors: Biology Keywords: ActinCytoskeletonDrosophilaSpectrinPP2A File: Download Travor_Mark_PP2A_and_BetaH_Roles_in_Endosomal_Trafficking_and_Polarity.pdf Thesis Supervisors: Graham Hugh Thomas, Thesis SupervisorDr. Michael Axtell, Thesis Honors Advisor