Which of the following statements is correct?
Adenine pairs with thymine through one H-bond.
Adenine pairs with thymine through three H-bonds.
Adenine does not pair with thymine.
Adenine pairs with thymine through two H-bonds.
According to the salient features of the double-helix structure of DNA described in the text, the nitrogenous bases in the two strands are paired through hydrogen bonds (H-bonds). Specifically, Adenine forms two hydrogen bonds with Thymine from the opposite strand, while Guanine is bonded with Cytosine with three H-bonds.
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