The trp operon is transcribed to synthesize the amino acid tryptophan. When tryptophan is present in the environment, the trp operon is NOT transcribed . On the other hand, when tryptophan is absent in the environment, the trp operon is transcribed . The trp operon is controlled by a(n) repressor protein through negative control .多重下拉选择题

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类似问题

True or false: repressible positive regulation occurs when the gene is transcribed in the presence of a specific small molecule?

True or false: inducible negative regulation occurs when the gene is not transcribed in the presence of a specific small molecule?

The trp operon is an example of a Blank 1 Question 13[select: , negative repressible, operator, blocks, enhances, promotor, negative inducible, positive repressible, positive inducible, activator] operon. This is because its regulatory region contains an Blank 2 Question 13[select: , negative repressible, operator, blocks, enhances, promotor, negative inducible, positive repressible, positive inducible, activator] , which suppresses transcription and because binding of tryptophan to the repressor protein Blank 3 Question 13[select: , negative repressible, operator, blocks, enhances, promotor, negative inducible, positive repressible, positive inducible, activator] transcription.

A deletion of the lacP (promoter) region in the lac operon would result in which of the following?

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