Practical protocols
What does yeast eat? Drucken E-Mail

figure for yeast

 

A worksheet for a practical inquiry based experiment

 

 

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Amylase Drucken E-Mail

amy flag

 

Detecting the alpha-amylase activity of saliva

Alavailable language uk1

 
Immobilised algae Drucken E-Mail
 
algae

 

 

 

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 Drucken E-Mail

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 Drucken E-Mail

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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