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if you wanted to use a radioactive or fluorescent tag to label only the RNA in a cell and not the DNA what molecules would you label

Respuesta :

Diatonic254

Uracil & Thymine

Explanation:

Uracil, a nucleic acid nitrogenous base, is only found in RNA and does not occur in DNA. On DNA its place is taken by Thymine base.  Marking Uracil  with a radioactive or fluorescent tag will ensure that only RNA is traced while tagging Thymine ensures that only DNA is traced.

Thymine is found in DNA because it is more stable than Uracil hence it provides an evolutionary advantage in its use to store cell information.

Learn More:

For more on this difference check out;

https://brainly.com/question/10945172

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