HARD
Upper Secondary: IGCSE
IMPORTANT
Earn 100

Some students investigated the effect of pH on the production of apple juice using the same enzyme.

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Construct a graph to show the effect of pH on the production of apple juice using this enzyme.

Important Questions on Biotechnology

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
List three reasons why microorganisms, rather than animals, are often used in biotechnology?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Which product of anaerobic respiration is used to make bio-fuels?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Which product of anaerobic respiration is important in bread-making?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
What are the advantages of using biological washing powder, rather than an ordinary detergent?
HARD
Upper Secondary: IGCSE
IMPORTANT
How does pectinase help in the manufacture of fruit juice?
HARD
Upper Secondary: IGCSE
IMPORTANT

Look at the diagram of a fermenter in the following figure. Explain the reason for the addition of carbohydrates and amino acids to the culture?

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HARD
Upper Secondary: IGCSE
IMPORTANT

Look at the diagram of a fermenter in the following figure. Explain the reason for the need to control the temperature in the fermenter?

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HARD
Upper Secondary: IGCSE
IMPORTANT

Look at the diagram of a fermenter in the following figure. Explain the reason for the addition of air, containing oxygen to the fermenter.

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