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.
Standard Cooking Times. The USDA recommends the following cooking times: Rib Roast (bone in, 4 to 6 lbs.): Roast at 325 degrees F for 23 to 25 minutes per pound for medium rare, 145 degrees F. Rib Roast (boneless rolled, 4 to 6 lbs.): Roast at 325 degrees F. Add 5 to 8 minutes per pound to above Rib Roast.tandard Cooking Times. The USDA recommends the following cooking times: Rib Roast (bone in, 4 to 6 lbs.): Roast at 325 degrees F for 23 to 25 minutes per pound for medium rare, 145 degrees F. Rib Roast (boneless rolled, 4 to 6 lbs.): Roast at 325 degrees F. Add 5 to 8 minutes per pound to above Rib Roast.