Northern Michigan University master’s degree candidate Jason Paul Aun will present a biology seminar titled “Analysis and Quantitation of the Cross Presentation of Tumor Antigens Using the HIV Protein Transactivation Regulatory Protein (TAT) to Alter Presentation.” The event is scheduled at 4 p.m. Friday, Feb. 13, in Mead Auditorium of the West Science Building.

            This event is sponsored by the NMU biology department.