The only cells in the human body that do not contain 46 chromosomes are reproductive cells, which only contain 23 chromosomes, according to... 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... 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 the National Human Genome Research Institute. Continue Reading.
Recommended temperatures for beef are: Rare 60C; medium 70C; well done 80C. Baste the meat with the juices at least three times during cooking. When it's done, take out the meat and leave it to rest for at least 20 minutes.
4. When the oven is up to 500 degrees, put the beef roast back in uncovered with a thermometer to monitor internal temperature. If you like a rare roast, cook it 125 degrees F. If you like medium, 140 is your number, and for you sadists who like well done, 160 is the magic number.low-Roasted Beef Standing Rib Roast Recipe: 200 degrees F For about Four Hours with a Bit of Salt and Pepper. 1. Take the beef out of the fridge a couple of hours before you want to roast it so it warms up to close to room temperature. When you are ready to roast the beef, preheat the oven to 250 degrees F.