22.5 Microorganisms, Medicines And Bioremediation

Question 1

What is bioremediation

Answer 1

Microorganisms are used to break down pollutants and contaminants in the soil or in water

Question 2

What are the two different approaches to bioremediation

Answer 2

Using natural organisms

Using GM organisms

Question 3

What is bioremediation using natural organisms

Answer 3

Naturally occurring microorganisms will naturally break down and neutralise many contaminants

Question 4

What is bioremediation using GM organisms

Answer 4

GM Bacteria is developed to break down contaminants which they wouldn’t naturally encounter

Question 5

What steps are taken when producing penicillin

Answer 5

Small fermenters are used
Mixture is constantly stirred to keep oxygenated
There should be a rich nutrient medium
A buffer is used to maintain pH at 6.5