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.
So, if you want your steak medium rare, take it out of the oven, or off the grill or skillet when its' internal temperature is 140 degrees. Don't forget this or your meat may well be more done than you wanted!Allow it to stand for 10 minutes, and dig in! The steak should be ideally cooked for medium rare then at 145 !