5.2.2 Biotechnology

Question 1

state that biotechnology is the industrial use of living organisms (or parts of living organisms) to produce food, drugs or other products (HSW6a);

Question 2

explain why microorganisms are often used in biotechnological processes;

Question 3

describe, with the aid of diagrams, and explain the standard growth curve of a microorganism in a closed culture;

Question 4

describe how enzymes can be immobilised

Question 5

explain why immobilised enzymes are used in large-scale production

Question 6

compare and contrast the processes of continuous culture and batch culture;

Question 7

describe the differences between primary and secondary metabolites

Question 8

explain the importance of manipulating the growing conditions in a fermentation vessel in order to maximise the yield of product required;

Question 9

explain the importance of asepsis in the manipulation of microorganisms