Which of the Following Is NOT True of P53

Multiple Choice

Which of the following is NOT true of p53?

A) Most tumor-associated p53 mutations are the result of nonsense codons.
B) p53 is mutated in over 30-50% of all cancers.
C) Normal p53 functions as a "tumor suppressor."
D) Mice lacking p53 are viable.
E) Exposure to UV radiation results in increased expression of p53.