Biotechnology and Genetic Modification Quiz

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Questions and Answers

What is the most commonly used vector for propagating recombinant DNA?

  • Biolistic particles
  • Microinjection needles
  • Plasmids (correct)
  • CRISPR-Cas9 complexes

Which step in the recombinant DNA process involves 'joining' the gene of interest to the vector?

  • Transfer of the Recombinant DNA into a host cell
  • Cutting or Cleavage of DNA
  • Selection of appropriate Vector
  • Ligation (correct)

What is the purpose of the 'Selection Process' step in recombinant DNA technology?

  • To identify the gene or protein of interest
  • To select the cells that contain the gene of interest (correct)
  • To make copies of the recombined DNA
  • To harvest the desired product

Which technique is used to directly deliver DNA into the nucleus of a cell?

<p>Microinjection (A)</p> Signup and view all the answers

Which gene editing technology relies on the use of guide RNA to direct Cas9 endonuclease to a specific DNA sequence?

<p>CRISPR-Cas9 (D)</p> Signup and view all the answers

What is the process called when a bacterial plasmid is cut by restriction enzymes to make space for a gene of interest?

<p>Transformation (B)</p> Signup and view all the answers

Which technique involves directly injecting genetic material into an organism's cells?

<p>CRISPR (A)</p> Signup and view all the answers

What is the main function of ligase in genetic engineering?

<p>To insert genes into plasmids (A)</p> Signup and view all the answers

Which of the following is NOT a method of introducing foreign DNA into bacteria for genetic engineering?

<p>Molecular Methods (C)</p> Signup and view all the answers

In the context of genetic engineering, what do vectors refer to?

<p>DNA molecules that carry foreign genetic material into another cell (C)</p> Signup and view all the answers

Which method involves coating tiny particles with DNA and shooting them directly into cells using a gun-like device?

<p>Biolistics (A)</p> Signup and view all the answers

What is the main purpose of using vectors in biotechnology?

<p>Introducing new traits into an organism (C)</p> Signup and view all the answers

Which technique involves the introduction of rDNA into an organism using tiny particles shot from a gene gun?

<p>Biolistics (D)</p> Signup and view all the answers

What is the primary role of CRISPR in genetic modification?

<p>Cutting DNA at specific sites (A)</p> Signup and view all the answers

In the process of transformation in biotechnology, what is the function of vectors?

<p>Delivering recombinant DNA into an organism (C)</p> Signup and view all the answers

Which method involves the direct injection of genetic material into a cell using a fine needle under a microscope?

<p>Microinjection (C)</p> Signup and view all the answers

What is the purpose of heat shock treatment in genetic engineering?

<p>Enhancing the efficiency of transformation (A)</p> Signup and view all the answers

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