This is a collection of papers presented and discussed at the first EBSA workshop held at Saltsj6baden outside stockholm in Sweden, July 6-10, 1986. The common theme of these papers is dynamics of biomolecules, and how the dynamics depends on the molecular structure and organi zation, and connects to and determines the biological function. This is a rapidly expanding field of research which combines many different aspects of molecular bio physics. Much material is new and presented for the first time. Even if the work so far has been of the kind that is usually called basic research,...