How microbes, crops and animals give us food — from bacteria and yeast to the Green Revolution, animal husbandry, fish farming, silk and honey.
In breweries, yeasts ferment sugar solutions (glucose) to produce:
Conducting tissues, water absorption by roots, ascent of sap, transpiration and minerals.
Asexual methods, vegetative propagation, flower, pollination and fertilisation.
Male and female reproductive systems, fertilisation, pregnancy and development.
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