And because of the properties of water, as we'll see, in just a moment we'll see what these properties are. The fact that water is a solvent allows those reactions to follow a certain pathway. And water also actually helps determine what the final structure is of these biological molecules. For example, one biochemical process in our body, inside the cells of our body, is the biosynthesis of proteins. And as a result of the properties of water, that protein is able to actually obtain its final three dimensional shape. And we'll discuss that in much more detail in a future lecture.