Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Open MARKS Web Download App
Search any question & find its solution
Question: Answered & Verified by Expert
The restriction endonuclease of a cell does not cleave its own DNA because of
BiologyBiotechnology - Principles and ProcessesNEET
Options:
  • A the difference in recognition sequences.
  • B methylation of A or C at the recognition site.
  • C the property that restriction endonuclease leave the DNA out of the cells.
  • D of the cell's ability to identify its own restriction endonuclease
Solution:
1532 Upvotes Verified Answer
The correct answer is: methylation of A or C at the recognition site.
The methylation of adenine or cytosine is the recognition sequence of the DNA protect it from the restriction endonuclease.

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.

Use on iOS or Desktop Download from Google Play