• 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
An enzyme that recognizes foreign DNA, and results in a cut in that DNA is called

restriction endonuclease
transposase
helicase
reverse transcriptase

ANSWER DOWNLOAD EXAMIANS APP

DNA Structure and Replication
30 nm wide helix with five or six nucleosomes per helix is known as

none of these
halonoid
kinoplast
solenoid

ANSWER DOWNLOAD EXAMIANS APP

DNA Structure and Replication
DNA gyrase in E. coli

performs the same function as helicase in eukaryotes
adds positive supercoils to chromosomal DNA
is required only at the oriC site
can be inhibited with antibiotics

ANSWER DOWNLOAD EXAMIANS APP

DNA Structure and Replication
What does ligase do during replication of DNA?

Digests mRNA when it is no longer needed
Synthesizes the lagging strand
Makes copies of mRNA from DNA
Joins nicks in DNA strands

ANSWER DOWNLOAD EXAMIANS APP

DNA Structure and Replication
Proteins involved in opening a replication bubble are

single stranded binding proteins
DNA helicases
ligase
DNA topoisomerase

ANSWER DOWNLOAD EXAMIANS APP

DNA Structure and Replication
During conventional transformation experiments E. coli cells and plasmid DNA interacts in an environment of

low temperature and Ca++
low temperature and Mg++
high temperature and Ca++
high temperature and Mg++

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
↑