19
QuizMultiple Choice

Prokaryotic and Eukaryotic Cells

Question 19 • 062mde1 SE ECAD Fall 2025 - Q2 - NM-Biology - S1

DNA and RNA share a number of similarities, but they also differ in certain aspects of their structure. Which nitrogenous base is found in RNA but is not found in DNA?

Answer
A
uracil
B
adenine
C
thymine
D
cytosine

Explanation

RNA uses uracil in place of thymine, which is found in DNA. Adenine and cytosine are found in both DNA and RNA. Therefore, uracil is the base found in RNA but not DNA.

AI-written and checked against the verified answer.

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