Hypercell 1998 MacIntosh Student Guide Author:Williams Cell biology learning program on CD-ROM with over 275 animated diagrams. Covers: histone acetylation, HIV infection, nerve cell development, apoptosis, aniogenesis and cancer, and more. System requirements: Windows 3.1 or 95, or Mac System 7 or higher, 4MB RAM, 28MB hard disc space, 2x speed CD-ROM drive.