This program examines such plant hormones as abscisic acid, auxin, cytokinins, ethylene, and gibberellins. It defines apoptosis and discusses its role in developing and adult organisms; its initiation, looking at intrinsic and extrinsic pathways; and the cell destruction process. The program also looks at the difference between apoptosis and necrosis and examines apoptosis malfunctions and human diseases.

Originally released by Rees Films, 2015. Streaming video file encoded with permission for digital streaming by Infobase on May 24, 2018.

Plant Hormones (6:16); --Apoptosis: Programmed Cell Death (6:20); -- Apoptosis vs. Necrosis (1:10); -- Cell Signaling and Health (2:30); -- Review (2:12); -- Credits: How Cells Communicate - Signaling Molecules and Transduction Pathways: Part 2 (0:20); .