Question

which of these nitrogenous bases is found in dna but not in rna?
uracil
guanine
cytosine
thymine
adenine
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Explanation:

• DNA has four nitrogenous bases: adenine (A), thymine (T), cytosine (C), and guanine (G).
• RNA has four nitrogenous bases: adenine (A), uracil (U), cytosine (C), and guanine (G).
• So, thymine is found in DNA but not in RNA.

Answer:

thymine