Structure of Cell Surface Receptors. Cell surface receptors are integral membrane proteins and, as such, have regions that contribute to three basic domains: Extracellular domains: Some of the residues exposed to the outside of the cell interact with and bind the hormone - another term for these regions is the ligand-binding domain.
San Francisco. Forecast. 85%58Â°51Â°Night - Cloudy with a 30% chance of precipitation. Winds from SSE to S at 11 to 16 mph (17.7 to 25.7 kph). The overnight low will be 53 Â°F (11.7 Â°C).Cloudy with a high of 61 Â°F (16.1 Â°C). Winds variable at 2 to 11 mph (3.2 to 17.7 kph).
Current weather in San Francisco and forecast for today, tomorrow, and next 14 days