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In DNA, a pyrimidine base is a type of nitrogenous base. The options provided are:
- A. Thymine
- B. Guanine
- C. Adenine
- D. Purine
Among these options, the pyrimidine base found in DNA is Thymine. Thymine is one of the four nitrogenous bases that make up DNA, along with Adenine, Guanine, and Cytosine.
To remember the base pairing in DNA:
- Adenine pairs with Thymine (A-T)
- Guanine pairs with Cytosine (G-C)
Therefore, in the context of the question, the correct answer is A. Thymine.
