Layers and Layers. Once the raised bed site is prepared, install the drainage rocks at the bottom of the space. Dump the crushed rocks or gravel into the framed space, one bag or bucket at a time. Spread the rock by hand, or with a metal rake, until you achieve a uniform depth of 2 to 3 inches across the bed.
exists and is an alternate of . DNA has all of the information for the cell to perform all of the tasks it needs to do. DNA has all of the information for the cell to perform all of the tasks it needs to do.
Introduction. DNA is the molecule which controls the synthesis of proteins. Proteins are used for growth and repair and also as enzymes, in which form they catalyse all other cellular activities. Thus DNA is able to exert a controlling influence over the whole cell and ultimately, the whole organism.The segments of DNA which hold the key to this control are the genes.roteins are used for growth and repair and also as enzymes, in which form they catalyse all other cellular activities. Thus DNA is able to exert a controlling influence over the whole cell and ultimately, the whole organism. The segments of DNA which hold the key to this control are the genes.