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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?

To produce specific chemical changes on compounds Signup and view all the answers

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

Phytoremediation Signup and view all the answers

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

Biodegradation Signup and view all the answers

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

Abiotic elicitors Signup and view all the answers

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

Jasmonate Signup and view all the answers

What is the primary function of a bioreactor?

To resample the biological environment Signup and view all the answers

What is the role of an elicitor in biotransformation?

To enhance the production of secondary metabolites Signup and view all the answers

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

All of the above Signup and view all the answers

What is the advantage of using bioreactors in biotransformation processes?

To control the conditions for cell cultivation Signup and view all the answers

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

Biotransformation of a drug or toxin Signup and view all the answers

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

To break oil into small droplets for easier biodegradation Signup and view all the answers

What is the primary mechanism of bioremediation?

Stimulating the growth of microorganisms to degrade target pollutants Signup and view all the answers

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

Mild reaction conditions are used, avoiding extreme pH and metal catalysts Signup and view all the answers

What is the purpose of phytoremediation?

To extract pollutants from soil and water using plants Signup and view all the answers

What is the result of phytostabilization?

Pollutants are reduced in bioavailability Signup and view all the answers