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What does yeast eat? |
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A worksheet for a practical inquiry based experiment
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Amylase |
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Detecting the alpha-amylase activity of saliva
Alavailable language  |
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Immobilised algae |
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Immobilised algae
Immobilised algae for studying photosynthesis
Students immobilise algae in calcium alginate, then use the entrapped cells to study photosynthesis by placing them in hydrogencarbonate indicator solution and observing the colour change as the carbon dioxide is depleted.
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Soil bacteria and natural biotechnology |
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 A didactic use of soil bacteria from nodules on leguminous plant roots
Hands-on activities enabling students to extract bacteria from nodules of leguminous plant roots, to grow them and infect roots of different leguminous plants.
This activity can be done in a multiphase project starting from the growing of soil bacteria and free living nitrogen fixing bacteria using EIBE protocols
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Immobilised yeast |
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 Immobilisation of yeast in calcium alginate beads
A practical method of immobilising yeast cells in calcium alginate is described. The entrapped cells can then be used to ferment sugar solutions. The volume of carbon dioxide produced can be measured.
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