Information on transcription, translation and regulation.
BBC news story from 2017, discovery of a new drug that treats Huntington’s by targeting mRNA.
Link to a pdf file book chapter on regulation of gene expression, including the lac operon (OCR)
A pdf file topic chapter on regulation of gene expression, includes the lac operon and epigenetics.
Animated tutorial – goes into a lot more detail than you need.
Animation – scroll down the page to find it.