You will need a ride home after the procedure because of the medicines or anesthesia you received. Coronary angiography is a common procedure that rarely causes serious problems. Possible complications may include bleeding, allergic reactions to the contrast dye, infection, blood vessel damage, arrhythmias, blood clots that can trigger a heart attack or stroke, kidney damage, and fluid buildup around the heart.
(Redirected from Corepressor (genetics)) In the field of molecular biology, a corepressor is a substance that inhibits the expression of genes. In prokaryotes, corepressors are small molecules whereas in eukaryotes, corepressors are proteins. A corepressor does not directly bind to DNA, but instead indirectly regulates gene expression by binding to repressors.
An inducer (allolactose or an analog) binds to the repressor and prevents its binding to the operator, thereby releasing the repression and allowing transcription of the lac operon. a) Most mutations in the operator, the binding site for repressor, lead to lower affinity for the repressor and hence less binding.n up mutation would make the lac operon no longer dependent on the positive regulation by the cAMPâCAP complex (when the operon is induced). A down mutation would not allow expression even in the deârepressed state (presence of inducer) and hence would show a nonâinducible phenotype. 15.3 a) Choice (c) is correct.