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Subjects
Class 11BiotechnologyPrinciples of BiotechnologyRestriction EnzymesEasy
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Restriction enzymes help bacteria protect themselves from what?

Answer and explanation

Correct answer: Phage DNA

Bacteria use these enzymes to cut foreign bacteriophage DNA. Link this with bacterial defense in exams.

Related tags

Restriction EnzymesPhageBacterial DefensePrinciples Of BiotechnologyBiotechnologyClass 11 Mcq
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10 more MCQs
  1. 1Sticky ends are produced by what?
  2. 2What is the advantage of cutting both gene and plasmid with the same restriction enzyme?
  3. 3What are restriction enzymes mainly used for?
  4. 4Where are restriction enzymes mostly found naturally?
  5. 5What do restriction enzymes recognize in DNA?
  6. 6Why are Type II restriction enzymes more useful in biotechnology?
  7. 7EcoRI is a restriction enzyme obtained from which bacterium?
  8. 8What type of ends does EcoRI usually produce?
  9. 9Why are sticky ends useful?
  10. 10What is the main feature of a palindromic DNA sequence?
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