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.
Roasting times for beef 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 wi â¦ th foil for the first half of the roasting time to prevent drying the outer layer.lace roast, fat side up, on rack in shallow roasting pan. Do not add water or cover. Roast in 350 degree oven approximately 1-3/4 to 2 hours for medium rare; 2 to 2-1/2 hours for medium doneness. Meanwhile, in large bowl, combine potatoes, carrots, onions and reserved seasoning mixture; toss to coat.