Nucleotide anabolism is the biological process through which cells synthesize nucleotides, the building blocks of nucleic acids like DNA and RNA. This process is essential for cell growth, division, and repair, as nucleotides are required for the formation of genetic material. Nucleotide anabolism involves several enzymatic reactions that convert simpler molecules into the complex structures of nucleotides. The synthesis of nucleotides can occur via two main pathways: the de novo pathway and the salvage pathway. The de novo pathway builds nucleotides from basic precursors, while the salvage pathway recycles existing nucleotides from degraded nucleic acids. Both pathways ensure a sufficient supply of nucleotides for cellular functions.