We thank the NCSU Biotechnology Program and the Office of Faculty Development for their support of this project. We also thank the teaching assistants, Lissete Betancur, Luyan He, Aydin Beseli, and Soundarya Srirangan, for their support; participating students for useful feedback; Melissa Cox for preparing the laboratories; Devon Viscount for contributions to the data analysis; and Dr. Consuelo Arellano for statistical consultation.