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Class 11BiotechnologyPrinciples of BiotechnologyCompetent HostEasy
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In blue-white screening what can a blue colony generally indicate?

Answer and explanation

Correct answer: Non-recombinant vector

A blue colony often indicates non-recombinant vector due to intact lacZ. Verify screening results by confirmation.

Related tags

Blue ColonyNon RecombinantLaczCompetent HostPrinciples Of BiotechnologyBiotechnologyClass 11 Mcq
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10 more MCQs
  1. 1When is a cell considered transformed?
  2. 2Which type of cell can be useful for producing a protein product from an introduced gene?
  3. 3What is meant by a competent host?
  4. 4Why is a host cell made competent?
  5. 5What is the process of introducing external DNA into bacteria called?
  6. 6What is the correct difference between a competent cell and a transformed cell?
  7. 7Why is calcium chloride used in chemical competence?
  8. 8What is the main purpose of heat shock?
  9. 9How is DNA entry increased in electroporation?
  10. 10Which is a common bacterial host in plasmid cloning?
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