Practice Questions

TLS Online TPP Program

#Question id: 2635

In E. coli, deleting the ribosome binding site and region 1 of the trp attenuator and leaving the remainder of the attenuator intact has which of the following effects?

#I Life Science/ Life Sciences Group – I-V

The attenuator structure will not form, and the structural genes will be transcribed.
The attenuator structure will always form, and transcription will terminate.
The frequency of attenuation will still be controlled by the concentration of trp-tRNAtrp.
Translation of the structural genes will not occur.

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