which allows for greater flexibility in the control of gene expression. As previously mentioned, enhancer sequences are DNA sequences that are bound by an activator protein, and they can be ...

DNA transcription is the vital first step needed for switching on our genes. For a gene to be switched on, it must be acted ...

The proto-oncogene (top) is depicted as a regulatory sequence (RS) followed by the coding region (gene). In the first example, a star indicates the location of the nucleotide substitution on the ...