Which of the following statements is correct?

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Question

(A) In the $DNA$ double helix structure, nitrogenous bases are paired according to Chargaff's rules.Adenine $(A)$ always pairs with thymine $(T)$ via

Vedclass · Accepted Answer

Adenine pairs with thymine through two $H$-bonds.

Vedclass · Answer

(A) In the $DNA$ double helix structure, nitrogenous bases are paired according to Chargaff's rules.Adenine $(A)$ always pairs with thymine $(T)$ via two hydrogen bonds $(A=T)$.Conversely, guanine $(G)$ pairs with cytosine $(C)$ via three hydrogen bonds $(G \equiv C)$.Therefore, the statement that adenine pairs with thymine through two $H$-bonds is correct.

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