• 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
The nucleons of eukaryotic cell has

RNA polymerase II
RNA polymerase III
RNA polymerase I
all of these

ANSWER DOWNLOAD EXAMIANS APP

Transcription and Regulation
The closed complex at bacterial promoters is

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

ANSWER DOWNLOAD EXAMIANS APP

Transcription and Regulation
Promoters for tRNAs are located

none of these
downstream from the start codon
both (a) and (b)
upstream from the start codon

ANSWER DOWNLOAD EXAMIANS APP

Transcription and Regulation
The binding of lac repressor to DNA could be considered to be analogous to

uncompetitive inhibition of an enzyme
mixed-type inhibition of an enzyme
allosteric effects in enzyme regulation
competitive inhibition of an enzyme

ANSWER DOWNLOAD EXAMIANS APP

Transcription and Regulation
Upstream regions which are essential for correct transcription are called

promoters
transcription factors
enhancers
start codons

ANSWER DOWNLOAD EXAMIANS APP

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

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

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
↑