noun. a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine.
- ribonucleic acid
Sentences with uracil
1. Noun, singular or mass
Therefore, the cell cannot "know" whether uracil should be there or not, making it impossible to repair cytosine deamination in RNA.
The second difference is that while one of the four nitrogenous bases found in DNA is thymine, the corresponding base in RNA is uracil.
3. Verb, base form
For instance, the (temperature-dependent) hydrolic deamination of cytosine to uracil is a leading cause of single-site, spontaneous mutations, as reported in the