Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| List 3 reasons why microorganisms, rather than animals, are often used in biotechnology. | 1. They reproduce fast
2. They can be kept easily, in controlled conditions, anywhere in the world
3. There are no ethical issues associated with using them
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| Which product of anaerobic respiration is used to make biofuels? | Ethanol
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| Which product of anaerobic respiration is important in bread making? | Carbon dioxide
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| What are the advantages of using biological washing powder, rather than an ordinary detergent? | Biological powders are able to break down stains made from proteins or fats (hemoglobin from blood) which aren't removed by ordinary detergents. They can be used at lower temperatures, which saves energy.
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| Explain why the enzymes in biological washing powders are trapped inside microscopic capsules. | They contain proteases & lipase which could harm skin if they come into direct contact with it.
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| How does pectinase help in the manufacture of fruit juice? | It breaks down pectin, which holds cells together. This makes it easier to extract the juice & also clarifies the juice.
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| Explain why lactose reduced milk is produced. | Most people in the world donât make the enzyme lactase so cannot digest lactose in milk.
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To hide a column, click on the column name.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
Nandin
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