A car's make is the brand or company. The model is the name of a car product or a line of cars. For example, Toyota and Honda are car makes, while a Camry and Civic are models. The body style includes ...
New work shows that activation of the Ras guanine nucleotide exchange factor SOS is dependent upon the membrane density of phosphatidylinositol-4,5-bisphosphate (PIP 2) and GTP-bound Ras. These ...