Most of these mutations change single amino acids in p53<span>. The altered protein cannot bind to DNA, </span>preventing<span> it from effectively regulating </span>cell<span> growth and division. As a result, DNA damage accumulates in </span>cells<span>, which can allow them to grow and divide in an uncontrolled way to form a cancerous tumor.</span>
If you starve yourself in a week, like by not eating anything, you will die in 3 days. Your body cannot survive without any food or water in a week! If you are thinking of doing it, don't!! If you want to loose weight try doing a healthy diet and exercise!
I hope this helped :)
