Biology for IGCSE & O level - Biological Molecules (Section 1 - No. 49)
Which of the following is the correct base pairing rule in DNA?
A-C, G-T
A-G, C-T
A-T, C-G
A-U, C-G
Explanation
In DNA, adenine (A) pairs with thymine (T) and cytosine (C) pairs with guanine (G).
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