Bioreactors in Metabolites Production
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Questions and Answers

What is the primary function of the impellers in a continuous stirred tank bioreactor?

  • To mix and agitate the culture to ensure uniform distribution (correct)
  • To provide mechanical support to the vessel
  • To separate the culture into two zones
  • To introduce air or gas at the base of the column

What is the typical range of the aspect ratio in a bubble column bioreactor?

  • 4-6 (correct)
  • 7-9
  • 3-5
  • 2-3

What is the main difference between an airlift bioreactor and a continuous stirred tank bioreactor?

  • The type of impellers used
  • The aspect ratio of the vessel
  • The way air or gas is introduced (correct)
  • The size of the vessel

What is the primary goal of biotransformation?

<p>To produce specific chemical changes on compounds (D)</p> Signup and view all the answers

What is the term for the use of plants to remediate pollution?

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

What is the term for the process of breaking down pollutants using microorganisms?

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

What type of elicitors have the advantage of not requiring preparation time?

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

Which of the following is an example of a hormone that can be used as an elicitor?

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

What is the primary function of a bioreactor?

<p>To resample the biological environment (D)</p> Signup and view all the answers

What is the role of an elicitor in biotransformation?

<p>To enhance the production of secondary metabolites (A)</p> Signup and view all the answers

Which of the following is an example of a secondary metabolite produced in response to an elicitor?

<p>All of the above (D)</p> Signup and view all the answers

What is the advantage of using bioreactors in biotransformation processes?

<p>To control the conditions for cell cultivation (C)</p> Signup and view all the answers

What is an example of biotransformation, where a compound is modified to be eliminated from the body?

<p>Biotransformation of a drug or toxin (C)</p> Signup and view all the answers

What is the purpose of using oil dispersants in oil spills?

<p>To break oil into small droplets for easier biodegradation (C)</p> Signup and view all the answers

What is the primary mechanism of bioremediation?

<p>Stimulating the growth of microorganisms to degrade target pollutants (D)</p> Signup and view all the answers

What is the advantage of using plant cell culture for biotransformation?

<p>Mild reaction conditions are used, avoiding extreme pH and metal catalysts (A)</p> Signup and view all the answers

What is the purpose of phytoremediation?

<p>To extract pollutants from soil and water using plants (A)</p> Signup and view all the answers

What is the result of phytostabilization?

<p>Pollutants are reduced in bioavailability (D)</p> Signup and view all the answers

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