In the natural situation, impulses pass in one direction only, i.e, from synaptic junctions or receptors along axons to their termination. Such conduction is called: 

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.

TLS Online TPP Program

#Question id: 4044

#Unit 3. Fundamental Processes

Which of the following sigma specificity factors is involved in middle gene transcription during SPO1 phage infection of bacteria?