Leptin is a cell-signalling hormone vital in the regulation of appetite, food intake and body weight. Studies have shown that an absence of leptin in the body or leptin resistance can lead to uncontrolled feeding and weight gain. Mechanisms and actions of leptin Leptin acts as a hormone that modulates the size of the adipose tissues in the body.
The Rosetta Stone The Rosetta Stone What is the Rosetta Stone? The Rosetta Stone is a stone with writing on it in two languages (Egyptian and Greek), using three scripts (hieroglyphic, demotic and Greek).
The rosetta stone was written in three different scripts because when it was written 3 different scripts were being used in egypt: -heiroglyphics-used for important or religious documents. -demotic-common script of Egypt. -Greek-the language of the rulers in egypt at the time.