in the process of learning basic biochemistry, as in any other area, much extra class work is required for students before basic concepts, such as those concerning protein structure and properties, are firmly settled. to reach this end we have developed a simple instruction method to teach protein structure in biochemistry courses for medical students. the objectives of this method are to illus...

Multilevel petrinets are proposed for facilitating exible modeling and control of complicated dynamic processes, especially autonomous, learning and intelligent systems. A metapetrinet is able not only to change the marking of a petrinet but also to recon gue dynamically its structure. Each level of the metanet is an ordinary petrinet of some traditional type. A basic level petrinet simulates t...