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

DNA Structure and Replication

DNA Structure and Replication
When DNA polymerase is in contact with guanine in the parental strand, what does it add to the growing daughter strand?

Cytosine
Guanine
Uracil
Phosphate

ANSWER DOWNLOAD EXAMIANS APP

DNA Structure and Replication
Which of the following is an active site on its single polypeptide chain for DNA Polymerase I?

All of these
5' → 3' exonuclease
3' → 5' exonuclease
5' → 3' polymerase

ANSWER DOWNLOAD EXAMIANS APP

DNA Structure and Replication
The melting of 40-45 bp at the oriC site of E. coli requires

DNA + ATP + HU + DNAb + DNAa + Pol III holoenzyme
DNA+ ATP + HU + DNAb + DNAa
DNA + ATP + HU + DNAb
DNA + ATP + HU

ANSWER DOWNLOAD EXAMIANS APP

DNA Structure and Replication
DNA helicase is used to

break a phosphodiester bond in DNA strand
interact the double helix closely
None of these
unwind the double helix

ANSWER DOWNLOAD EXAMIANS APP

DNA Structure and Replication
Overwinding or overtightening of DNA during replication is caused and removed by

Single stranded protein, DNAa
DNAb, gyrase
DNAb, DNA polymerase
DNAa, gyrase

ANSWER DOWNLOAD EXAMIANS APP

DNA Structure and Replication
There is a single origin for DNA replication in bacteria. How many origins of replication are found in the much larger genomes of eukaryotes such as mammals?

none of these
One
About 100
Thousands and tens of thousands

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON DNA Structure and Replication

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
↑