In DNA molecules, Adenine pairs with which of the following nucleic acid bases?
BIOLOGY
SAT 2021
In DNA molecules, Adenine pairs with which of the following nucleic acid bases?
- A. Guanine
- B. Thymine
- C. Cytosine
- D Uracil
Correct Answer: B. Thymine
Explanation
In DNA, the four nucleic acid basis are adenine, guanine, cytosine, and thymine. RNA has uracil instead of thymine. Adenine pairs with thymine in DNA and uracil in RNA. Cytosine and Guanine pair together in both. Deoxyribose and ribose are the 5-carbon sugars in DNA and RNA nucleotides, respectively.
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