... a result of growth, it elongates in one direction, and finally a new cell wall is formed, dividing the so-called mother-cell into two, equal-sized daughter-cells. This process of cell division, ... temperature until at the optimum point, which is generally near the blood heat or slightly below (90°-98° F.), a single cell will form two cells in 20 to 30 minutes. If cleaning of the vats and ... F. for hours does not effectually kill all exposed cells. Effect of heat. High temperatures, on the other hand, will destroy any form of life, whether in the vegetative or latent stage. The...