BIOLOGY
NUCLEIC ACIDS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Adenine will pair with guanine.
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Guanine will pair with thymine.
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Thymine will pair with cytosine.
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Adenine will pair with thymine.
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Detailed explanation-1: -DNA base pair. Under normal circumstances, the nitrogen-containing bases adenine (A) and thymine (T) pair together, and cytosine (C) and guanine (G) pair together.
Detailed explanation-2: -Adenine always pairs with thymine through two hydrogen bonds in DNA. Similarly, adenine pairs with uracil through two hydrogen bonds in RNA and guanine always pairs with cytosine through three hydrogen bonds in both the nucleic acids.
Detailed explanation-3: -Solution: Adenine(A) pairs with thymine(T) through two H-bonds.
Detailed explanation-4: -Adenine always forms two hydrogen bonds with Thymine (in case of DNA) and Uracil (in case of RNA) while Cytosine always forms three hydrogen bonds with Guanine. So, the correct answer would be option (A).