JEE Main Chemistry question

The nucleic acid base having two possible binding sites is

(A)Thymine
(B)Cytosine
(C)GuanineCorrect
(D)Adenine

Answer: (C)

Solution

Guanine is able to engage in base pairing with its standard complementary partner cytosine, as well as to form an alternative "wobble" pair with uracil at the third codon position (an important feature of the degeneracy of the genetic code),

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Question ID VK-150831