41.Conservative site-specific recombinases分為下列那兩大類?
(A)Serine recombinases 和 threonine recombinases
(B)Serine recombinases 和 tyrosine recombinases
(C)Threonine recombinases 和 tyrosine recombinases
(D)Threonine recombinases 和 alanine recombinases
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統計: A(291), B(1035), C(254), D(39), E(0) #1154527
統計: A(291), B(1035), C(254), D(39), E(0) #1154527