Q.1
The β subunit of polymerase has a function of ____________
  • a) Promoter binding
  • b) Catalytic center
  • c) Template binding
  • d) Cation binding
Q.2
Presence of the heparin promotes transcription.
  • a) True
  • b) False
Q.3
The β’ subunit of polymerase has a function of ________________
  • a) Promoter binding
  • b) Elongation
  • c) Cation binding
  • d) Termination
Q.4
The RNA polymerase core enzyme converts into a holoenzyme on the addition of the _________ subunit.
  • a) α
  • b) β
  • c) β’
  • d) σ
Q.5
Four types of σ factors are known of them which one is heat stable?
  • a) σ70
  • b) σ32
  • c) σ54
  • d) σ28
Q.6
What is the function of the ω subunit of RNA polymerase?
  • a) Subunit association
  • b) Promoter binding
  • c) Initiation and elongation
  • d) Cation binding
Q.7
Which of the following is not part of the RNA polymerase core enzyme?
  • a) α
  • b) β
  • c) ω
  • d) σ
Q.8
The bacterial system has _____________ RNA polymerases.
  • a) 1
  • b) 2
  • c) 3
  • d) 4
0 h : 0 m : 1 s