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Uracil is a nitrogenous base that is one of the four essential components of RNA, playing a crucial role in the structure and function of nucleic acids. Unlike DNA, which contains thymine, uracil pairs with adenine during RNA transcription, contributing to the overall stability and functionality of RNA molecules.
19 Ιαν 2021 · Uracil has a molar mass of 112.08676 g/mol and a melting point of 335 °C. It may occur as a component of a nucleoside (nucleobase + sugar deoxyribose or ribose) or of a nucleotide (nucleoside with phosphate groups). It is also one of the five primary (canonical) nucleobases in nucleic acids.
Uracil is a demethylated form of thymine. Uracil is a common and naturally occurring pyrimidine derivative. [2] . The name "uracil" was coined in 1885 by the German chemist Robert Behrend, who was attempting to synthesize derivatives of uric acid. [3] .
Uracil, a colourless, crystalline organic compound of the pyrimidine family that occurs as a component of ribonucleic acid (RNA), a molecule involved in the transmission of hereditary characteristics. The RNA molecule consists of a sequence of nucleotides, each containing a five-carbon sugar.
21 Νοε 2023 · Uracil is a colorless, crystalline organic compound that is involved in the transmission of hereditary information. While uracil can bond with all of the other bases, it readily bonds with...
6 ημέρες πριν · Uracil (U) is one of the four nucleotide bases in RNA, with the other three being adenine (A), cytosine (C) and guanine (G). In RNA, uracil pairs with adenine. In a DNA molecule, the nucleotide thymine (T) is used in place of uracil.
Uracil is usually an inappropriate base in DNA, but it is also a normal intermediate during somatic hypermutation (SHM) and class switch recombination (CSR) in adaptive immunity. In addition, uracil is introduced into retroviral DNA by the host as part of a defence mechanism.
