Ras Pathway. Ras is a membrane-associated guanine nucleotide-binding protein that is normally activated in response to the binding of extracellular signals, such as growth factors, RTKs (Receptor Tyrosine Kinases), TCR (T-Cell Receptors) and PMA (Phorbol-12 Myristate-13 Acetate).
Sicily Description. Sicily is Italy's largest island and the largest island in theMediterranean Sea. It's also a geographical and political region of Italy, famed for its beautiful beaches, cuisine, and fascinating history.
Beaches in Sicily. With all the beautiful beaches in Sicily, sun, sea and beach lovers are certainly in for a treat! The coastal towns of Balestrate, Castellammare del Golfo, Trappeto and Alcamo Marina are excellent locations to enjoy the warm Sicilian sun, the large sandy beaches and the azure blue water of the Golfo di Castellammare. Balestrate has two beaches, one sandy beach to the east of the new harbor and the large beach on the west side of town. During high season, parts of these beaches are occupied by so called lidi (plural of lido), or lidos, which are private beaches where you can rent sun loungers and umbrellas.