TATA box

The TATA box is a specific sequence of DNA located near the start of many genes in eukaryotic cells. It acts as a genetic signaling site that helps the cell's machinery find the right spot to begin copying a gene into RNA, an essential step before making proteins. Essentially, the TATA box serves as a "landing pad" or marker for proteins called transcription factors, which facilitate the initiation of gene expression. Its presence and position are crucial for accurately controlling when and how genes are activated, ensuring proper cell function and development.