New page: '''Uracil''' is one of the four bases in RNA. The others are adenine, guanine, and cytosine. Uracil replaces thymine, which is the fourth base in DNA. Like thymine, uracil ...
'''Uracil''' is one of the four bases in [[RNA]]. The others are [[adenine]], [[guanine]], and [[cytosine]]. Uracil replaces thymine, which is the fourth base in DNA. Like thymine, uracil always pairs with adenine.