Composition and biochemistry experiments of sticker model and the realization process of fundamental biochemical experiments are discussed. Based on separation technology and electrophoresis experiment, a new detection experiment is put forward, which can be used to detect experimental results containing various kinds of memory complex. DNA algorithm of making all spanning tree problem and its biochemical realization process are put forward, first the initial solution space of spanning subgraph is created, then all spanning trees are selected from the initial solution space. During the creatin...