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alisha [4.7K]
3 years ago
10

The tryptophan operator ________________________________ . A. is an allosteric protein. B. binds to the tryptophan repressor whe

n the repressor is bound to tryptophan. C. is required for production of the mRNA encoded by the tryptophan operon. D. is important for the production of the tryptophan repressor.
Chemistry
1 answer:
Brut [27]3 years ago
7 0

Answer:

B. binds to the tryptophan repressor when the repressor is bound to tryptophan.

Explanation:

Bacterial genes are commonly composed of operons that are activated or deactivated depends on the needed. If the bacteria need, for example, an amino acid such as tryptophan for synthesizing proteins. An activator "turns on" the transcription that the operon has and produces the amino acid.

On the other hand, if the bacteria have a high presence of tryptophan amino acid, a repressor binds to the tryptophan operator and avoids the amino acid transcription, in consequence, constrain the tryptophan production.

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