Which bases pair together in DNA?
Answer and explanation
Correct answer: C. Adenine with thymine and guanine with cytosine
- Step 1: Complementary base pairing joins A with T by two hydrogen bonds and G with C by three. Answer: Adenine with thymine and guanine with cytosine. Why not the others: Adenine with cytosine and guanine with thymine, Adenine with uracil and guanine with thymine and Adenine with guanine and cytosine with thymine don't fit.
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