24.Which of the following bacteria contains a virulent Ti plasmid that contributes to the development of plant genetic engineering?
(A) Agrobacterium tumefaciens;
(B) Bacillus subtilis;
(C) Ralstonia solanacearum;
(D) Xanthomonas campestris.
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統計: A(7), B(0), C(0), D(1), E(0) #3577753
統計: A(7), B(0), C(0), D(1), E(0) #3577753