“Coupled transcription-translation†means _,and the coupling contributes to gene expression regulation via___.
A
transcription can start before the end of translation, lacIrepression
B
translation can start before the end of transcription,attenuation
C
translation can start before the end of transcription, CRPactivation
D
transcription can start before the end of translation, LacIrepression
E
translation can start only after transcription is achieved,attenuation
Which of the following elements can terminate transcription inprokaryotes? It is ___
A
RNA polymerase; cis element
B
TATA box, trans-element
C
Hairpin (stem loop) structure with poly U-tail; trans factor
D
Hairpin (stem loop) structure with poly U-tail, cis element
E
RNA polymerase; trans factor
Which of the following can be used to estimate bacterial cellgrowth?
A
Plating, CFU counting
B
Counting cells under microscope (e.g. in counting chamber)
C
Turbidity measurements
D
Counting cells using flow cytometry
E
All of the above
