Glucose is the most important carbohydrate fuel in human cells. Its concentration in the blood is about 1 gdm-3. The small size and solubility in water of glucose molecules allows them to pass through the cell membrane into the cell. Energy is released when the molecules are metabolised (C6H12O6 + 6O2 6CO2 + 6H2O).
A low and slow start delivers perfectly evenly cooked medium-rare doneness all the way from edge to center. Blasting the prime rib with heat just before serving gives you a crackling-crisp, browned crust. Yield:Serves 3 to 12, depending on size of roast. Active time: 15 minutes. Total time:4 1/2 hours to 8 1/2 hours.
Quick Answer. To cook a prime rib roast, rub the roast with a mixture of spices and herbs, then roast in the oven until the meat reaches an internal temperature of at least 135 degrees Fahrenheit. This results in a medium rare roast that is red in the center. Continue Reading.