Question:
The base not present in RNA is:
The base not present in RNA is:
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DNA has Thymine, while RNA has Uracil instead.
Updated On: Oct 7, 2025
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Solution and Explanation
Step 1: Bases in RNA.
RNA contains Adenine (A), Guanine (G), Cytosine (C), and Uracil (U).
Step 2: Absence of Thymine.
Thymine is present only in DNA, where it pairs with Adenine. In RNA, Uracil replaces Thymine.
Step 3: Conclusion.
Therefore, the base not present in RNA is
Thymine.
RNA contains Adenine (A), Guanine (G), Cytosine (C), and Uracil (U).
Step 2: Absence of Thymine.
Thymine is present only in DNA, where it pairs with Adenine. In RNA, Uracil replaces Thymine.
Step 3: Conclusion.
Therefore, the base not present in RNA is
Thymine.
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