- byjus.com/neet-questions/why-does-dna-contain-thymine-and-rna-uracil says Uracil cannot be repaired by DNA repair mechanisms. But it is also requires less energy to synthesize with.
Articles by others on the same topic
A nucleotide contains a nucleobase, a sugar, and one or more phosphate groups. In DNA and RNA, linked nucleotides form a polymer whose nucleotide sequence carries information. The sugar is deoxyribose in DNA and ribose in RNA. See NHGRI: nucleotide.
A nucleotide is the basic building block of nucleic acids, which are essential molecules in living organisms. Nucleotides serve as the monomers that link together to form DNA (deoxyribonucleic acid) and RNA (ribonucleic acid).