Two mutant plants, both bearing white flowers, were crossed. All F1 plants had red colored flowers. Which one of the following conclusions is correct?

TLS Online TPP Program

#Question id: 4038

#Unit 3. Fundamental Processes

Which of the following plasmids could be used to restore inducible regulation of -galatosidase in this mutant: I+ Oc Z - Y+ A+?

TLS Online TPP Program

#Question id: 4039

#Unit 3. Fundamental Processes

Which of the following statements is true about a lac operon with this genotype?

I-d O+ Z+ Y- A- ___

TLS Online TPP Program

#Question id: 4040

#Unit 3. Fundamental Processes

Which of the following is most likely to occur if the level of glucose is low in a bacterial cell?

TLS Online TPP Program

#Question id: 4041

#Unit 3. Fundamental Processes

Which of the following is true about the action of CAP at the lac promoter? 

TLS Online TPP Program

#Question id: 4042

#Unit 3. Fundamental Processes

Which of the following is true about the regulation of the trp operon? 

TLS Online TPP Program

#Question id: 4043

#Unit 3. Fundamental Processes

In the process of creating a trp operon mutant, the UGG codons within the leader sequence were accidentally deleted. Which of the following would be a likely observation in the transcription assays? ___

A. RNA polymerase cannot bind to the promoter. 

B. The operon is permanently inhibited. 

C. Attenuation would be impaired. 

D. Termination would be triggered. 

E. No tryptophan would be made.