Gene Expression and Protein Synthesis
Gene Expression DNA Transcription Protein Synthesis - …
D. The nitrogen bases in double helical DNA are reversibly crossed linked by covalent bonds and these cross links are removed when regulatory proteins bind thus allowing strand separation and the initiation of transcription.
Regulation of gene expression - Wikipedia
14. Choose the response that correctly identifies the cells in which genes may be clustered into a tendem arrangement of genes all under control of the same regulatory sequence, i.e. an operon: