57. Which factor does NOT affect the melting temperature (Tm) of a DNA molecule?
(A) Ionic strength of the solution
(B) Concentration of DNA in the solution
(C) GC content of the DNA molecule
(D) Length of the DNA molecule
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統計: A(0), B(3), C(2), D(1), E(0) #3331951
統計: A(0), B(3), C(2), D(1), E(0) #3331951