Cytogenetics Transcription Prokaryotes Termination Online Exam Quiz
Cytogenetics Transcription Prokaryotes Termination GK Quiz. Question and Answers related to Cytogenetics Transcription Prokaryotes Termination. MCQ (Multiple Choice Questions with answers about Cytogenetics Transcription Prokaryotes Termination
What form of helix would you expect to see in double stranded RNA?
Options
A : A form
B : B form
C : C form
D : D form
Rho dependent termination mechanism doesn’t reguire____________
Options
A : ATP
B : Stem loop structure
C : G-C rich stem
D : Sigma factor
You can see non-cannonical base pairing in________
Options
A : dsDNA
B : ssDNA
C : dsRNA
D : ssRNA
Rho shows base preference although it doesn’t have any concensus cis binding sequence. Which region will be expected to bind Rho better?
Options
A : G and C rich region
B : A and T rich region
C : Region rich in C and poor in G
D : Region rich in A and poor in T
You modify your gene DNA sequence by introducing an attenuator within the transcribed region. You isolate the labeled gene product and perform SDS PAGE. You observe two bands one higher and another slightly lower. Which of this band corresponds to properly modified sequence?
Options
A : Higher
B : Lower
C : Both the bands as they show differently folded protein
D : This is an experimental artifact
Rho protein, that is necessary for transcription termination, is a ________
Options
A : Homotetramer
B : Heterotetramer
C : Heterohexamer
D : Homohexamer
A ssRNA shows inverted tandem repeat. What would be its secondary structure?
Options
A : Linear
B : Hair pin
C : Stem-loop structure
D : Crucifix
To study the functioning of intrinsic terminator you increase the number of G-C base pairs in the stem and decrease the U bases from the tail region. What would be its effect on termination?
Options
A : No visible effect
B : Efficiency will decrease
C : Efficiency will increase
D : The RNA polymerase will stall at the terminator
Which of these interactions is the weakest?
Options
A : rC-dG
B : rG-dC
C : rA-dT
D : rU-dA
When Rho catches up with RNA polymerase it _______
Options
A : Stalls
B : Falls off
C : Backtracks
D : Moves on
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