How are inducible and repressible systems similar?a. in both systems the regulatory molecule functions by binding to the operatorb. they are both on by defaultc.they are both off by defaultd. repressor gene is constitutively expressedWhat effect does the presence of ample glucose (increased GLU) have on the amount of lac operon transcription?a. It increases the cAMP concentration which in turn causes a decreased rate of transcriptionb. it decreases the cAMP concentration which in turn causes a decrease rate of transcriptionc.it has no effect on the rate of transcriptiond. none of the choices are correcttRNA processing?a. 3’ ends with an A residue (adenosine)b. Poly A tail added at 3’ endc. Methylated GTP added at 5’ endd. 5’ leader sequence is removed**Some questions may have multiple answers.

Respuesta :

The bacterial gene structure has two different types of operons: inducible and repressible. Both genomes have continuous groups of functionally linked genes.

The primary distinction between inducible and repressible operons is that the former are turned off under typical circumstances, whilst the latter are turned on. Additionally, when the inducer binds to the active repressor of inducible operons, the repressor is deactivated, allowing RNA polymerase to bind to the promoter region, whereas when the co-repressor binds to the inactive repressor of repressible operons, the repressor is activated, preventing RNA polymerase from interacting with the promoter region. Additionally, both operons have similar regulatory components that control the regulation of their genes.

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