A liver cell and a cheek cell have the same chromosomes. The only cells in the human body that do not contain 46 chromosomes are reproductive cells, which only contain 23 chromosomes, according to... Star Gazing
A beef roast cooked to medium-rare should have an internal temperature of 145Â°F - 150ÂºF after the resting period, and a roast cooked to medium should have an internal temperature of 150Â°F to 160ÂºF. (See the note below). See Beef Doneness for more information on proper cooking temperatures.
Preheat your oven to 160Â°C (325Â°F) and use these cooking times to prepare a roast that's moist, tender and delicious.Your roast should be covered with foil for the first hal â¦ f of the roasting time.   Roasting times.Preheat your oven to 160Â°C (325Â°F) and use these cooking times to prepare a roast that's moist, tender and delicious.Your roast should be covered with foil for the first half of the roasting time.sually 1/2 hour per pound, so 5 x 1/2 = 2 1/2 hours. Always check with a meat thermometer, Beef should come to 160 - 170 degrees. Temperature trumps time. (Thermometers are c â¦ heap-especially compared to a large roast.)(ps-allow the roast to come to room temperature before roasting) Good Luck Marshall.