S.No | Repressor | Inducer |
1. | Any molecule which repress the expression of the gene is termed as repressor. | Inducer is a molecule in presence of which repressor fails to bind to the operator region. |
2. | Repressors are the proteins which binds to the operator region of DNA in such a way that RNA polymerase can not bind to promoter. | Inducer are the proteins that binds to the repressor and prevents them from binding to the operator region in a way that RNA polymerase can bind to the promoter. |
3. | It inhibits transcription and gene will not be expressed. | It induces transcription and genes are expressed in presence of an inducer. |