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What nitrogenous base is part of DNA, but not RNA?

A. Guanine
B. Cytosine
C. Thymine
D. Uracil


Sagot :

Final answer:

Thymine is the nitrogenous base unique to DNA, not found in RNA, crucial for genetic coding differences.


Explanation:

Thymine is the nitrogenous base that is part of DNA but not RNA. In DNA, thymine pairs with adenine, while in RNA, uracil pairs with adenine instead of thymine. This distinction in bases contributes to the genetic differences between DNA and RNA.


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