19.Which of the following mutagens induces the deamination of nitrogenous bases in DNA, leading to base-pair substitutions?
(A) 5-bromouracil;
(B) Ethyl methane sulfonate;
(C) Nitrous acid;
(D) UV light.
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統計: A(0), B(2), C(4), D(2), E(0) #3577748
統計: A(0), B(2), C(4), D(2), E(0) #3577748