Before revision: alt=| 510x600px |A molecular structure composed of unwound and unpaired DNA, where a short stretch of nucleotides are exposed on each strand of the double helix, allowing RNA polymerase binding, and nascent RNA synthesis within this region.
After revision: alt=| 518x600px |A molecular structure composed of unwound and unpaired DNA, where a short stretch of nucleotides are exposed on each strand of the double helix, allowing RNA polymerase binding, and nascent RNA synthesis within this region.