複選題27. The nucleotide sequences of the p53 gene showed a single amino acid change in the tumor mass, which compromised the protein's function. Which of the following would be true? (A) Mutant p53 promotes adaptive responses to cancer-related stress conditions to support tumor progression. (B) Mutant p53 facilitates the establishment of a pro-oncogenic tumor microenvironment. (C) Mutant p53 enhances cancer cell survival under oxidative and genotoxic stress conditions. (D) Mutant p53 induces G1 arrest and transcripts p21 after DNA damage. (E) Mutant p53 imparts stem-like properties to cancer cells.