Description: Nucleotide transport refers to the movement of nucleotides across cellular membranes. Nucleotides are the basic units that make up DNA and RNA, and their transport is essential for various biological functions, including nucleic acid synthesis, cellular signaling, and energy metabolism. This process can occur actively or passively, depending on cellular needs and the type of nucleotide involved. In active transport, energy is required, usually in the form of ATP, to move nucleotides against their concentration gradient. Conversely, passive transport allows nucleotides to move along their gradient without additional energy. The regulation of nucleotide transport is crucial for maintaining cellular homeostasis and facilitating processes such as DNA replication and RNA transcription. Additionally, nucleotide transport is linked to various diseases, making it an area of interest in biomedical research and therapy development. In summary, nucleotide transport is a fundamental process in cellular biology that ensures the availability of these essential compounds for proper cellular function.