QUESTION IMAGE
Question
why can uracil be used as a \clue\ to identify rna in a strand?
because uracil is found in both dna and rna.
because uracil indicates a damaged dna strand.
because uracil is always paired with thymine.
because uracil is unique to rna.
Brief Explanations
La uracilo es una base nitrogenada exclusiva del ARN. En el ADN, la base equivalente es la timina. Por lo tanto, la presencia de uracilo en una cadena de ácido nucleico es un indicador claro de que se trata de ARN y no de ADN.
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Because uracil is unique to RNA.