ribonükleotitin

Ribonükleotit, ribonucleic acid (RNA) monomer units are called. Each ribonükleotit consists of three parts: a ribose sugar, a phosphate group, and a nitrogenous base. The nitrogenous bases found in RNA are adenine (A), guanine (G), cytosine (C), and uracil (U). Ribose is a five-carbon sugar that differs from deoxyribose, the sugar found in DNA, by having a hydroxyl group on the second carbon. The phosphate group links the sugar molecules together to form the RNA backbone. This phosphodiester bond is formed between the 5' carbon of one ribose and the 3' carbon of the next. RNA plays a crucial role in protein synthesis, acting as messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). It also has regulatory and catalytic functions. Ribonükleotits can also exist as free molecules in the cell, serving as energy sources or signaling molecules.