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which among the following is a function of restriction enzyme in nature plasmids destroy foreign DNA destroy phage DNA splice up DNA of the cells

which among the following is a function of restriction enzyme in nature
  1. plasmids
  2. destroy foreign DNA
  3. destroy phage DNA
  4. splice up DNA of the cells

Grade:12th pass

4 Answers

Gaurav
askIITians Faculty 164 Points
9 years ago
Hello Student
Correct answer is 3. Destroy phase DNA
Restriction enzyme cuts DNA at specific restriction sites. And Restriction enzyme protects host cell from phase by destroying its DNA by methylation of nucleotides.
Gaurav
askIITians Faculty 164 Points
9 years ago
Hello Student
Correct answer is 3. Destroy phase DNA
Restriction enzyme cuts DNA at specific restriction sites. And Restriction enzyme protects host cell from phase by destroying its DNA by methylation of nucleotides.
Gaurav
askIITians Faculty 164 Points
9 years ago
Hello Student
Correct answer is 3. Destroy phase DNA
Restriction enzyme cuts DNA at specific restriction sites. And Restriction enzyme protects host cell from phase by destroying its DNA by methylation of nucleotides.
Raheema Javed
156 Points
9 years ago
The correct answer is (3) destroy phage DNA

These enzymes are found in bacteria and archaea and provide a defense mechanism against invading viruses. Inside a prokaryote, the restriction enzymes selectively cut up foreign DNA in a process called restriction; while host DNA is protected by a modification enzyme (a methylase) that modifies the prokaryotic DNA and blocks cleavage. Together, these two processes form the restriction modification system.

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