試題詳解

14. The product of the p53 gene_______.  
(A) causes cells to reduce expression of genes involved in DNA repair.
(B) promotes the cell cycle.
(C) allows cells to pass on mutations due to DNA damage.
(D) slows down the rate of DNA replication by interfering with the binding of DNA polymerase.
(E) interacts with p52 to form a heterodimer that regulates cell cycle.