• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Transcription and Regulation

Transcription and Regulation
Which of the following is necessary for transcription to occur?

DNA molecule
Both DNA & RNA polymerase
RNA polymerase
DNA polymerase

ANSWER DOWNLOAD EXAMIANS APP

Transcription and Regulation
The RNA polymerases that transcribe bacterial DNA are

only active inside the cell
interchangable with DNA polymerases
highly glycosylated in their active forms
multisubunit enzymes

ANSWER DOWNLOAD EXAMIANS APP

Transcription and Regulation
Transcription factors are

promoters
proteins which bind to DNA and regulate transcription
TATA boxes
CATT boxes

ANSWER DOWNLOAD EXAMIANS APP

Transcription and Regulation
Rho-dependent termination of transcription in E. coli

removes mRNA and holoenzyme from the DNA
both (a) and (b)
requires ATP
requires about 50 nucleotides of uncomplexed mRNA

ANSWER DOWNLOAD EXAMIANS APP

Transcription and Regulation
RNA polymerase in prokaryotes has a removable

beta subunit
sigma subunit
both (a) and (b)
alpha subunit

ANSWER DOWNLOAD EXAMIANS APP

Transcription and Regulation
The closed complex at bacterial promoters is

not affected by promoter mutations
bound more tightly when repressors are present
in equilibrium with free RNA polymerase and the promoter
not affected by activator proteins

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Transcription and Regulation

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑