Practical protocols
What does yeast eat? Imprimer Email

figure for yeast


A worksheet for a practical inquiry based experiment



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Amylase Imprimer Email

amy flag


Detecting the alpha-amylase activity of saliva

Alavailable language uk1

Immobilised algae Imprimer Email




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 Imprimer Email

Fagiolo_ITA 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 Imprimer Email

yeast.pngImmobilisation 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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