Question

dna and rna are both nucleic acids, but they differ in one type of nitrogenous basis. which nitrogenous base is only found in rna? adenine uracil yrtosine

Explanation:

DNA has nitrogen - bases adenine, thymine, guanine, and cytosine. RNA has adenine, uracil, guanine, and cytosine. Uracil replaces thymine in RNA.

Answer:

uracil