1.

Which of the following statements is correct according to Chargaff s rules?

A. All DNA molecules contain the same proportions of A, C, G and T
B. Single-stranded RNA molecules contain the same amount of A and U
C. In double-stranded DNA, the amount of T equals the amount of C
D. In double-stranded DNA, the amount of G equals the amount of C
Answer» E.


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