Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • School
  • (a) Explain the principle on the basis of which DNA is separated by the technique of Gel electrophoresis. (b) How is the separated DNA visualised ?  

(a) Explain the principle on the basis of which DNA is separated by the technique of Gel electrophoresis.
(b) How is the separated DNA visualised ?

 

Answers (1)

(a) DNA fragments are the negatively-charged molecules. By using this property of DNA it is forced to move towards an anode under an electric field through an agarose medium. The DNA fragment separates according to their size through sieving effect provided by agarose gel. Hence the smaller the fragment in size, greatly it moves.

(b) The DNA fragments after separation are treated with ethidium bromide followed by UV radiation exposure. This enables us to visualize the DNA fragments.

Posted by

Safeer PP

View full answer

Crack CUET with india's "Best Teachers"

  • HD Video Lectures
  • Unlimited Mock Tests
  • Faculty Support
cuet_ads

Similar Questions

Trending Articles/News

anam-khan

CBSE Class 12 board exams 2025 to have 50% competency-based questions; no change in 10th
anam-khan

CBSE Class 12 board exams 2024 over; expected result date, trends of last 10 years

Latest Question