9. Identify the choice that best completes the statement or answers the question. The p53 protein is involved in DNA repair and in triggering cell death when repair is not possible.
Why are some cancers associated with defective p53 genes? Select all that apply. *
(2 Points)
O because in cells with damaged DNA, p53 protein levels rise and cause apoptosis
because cells with damaged DNA are not triggered to die
because cell growth and division is no longer regulated by p53 protein
because cells with damaged DNA grow and divide uncontrollably