Yeast, Sugar, Flour and Water. The yeast turns the sugar into ethanol and carbon dioxide. The carbon dioxide causes the bread to rise.
Yeast and grape juice. Again yeast turns the sugar into ethanol and carbon dioxide.
Lactobacillus is added to milk, the sugar is converted to lactic acid causing the milk to curdle, add Chymosin and separate the curds to ripen.
Lactobacillus again is added to milk, it thickens. The 'p' 'H' of the acid in both…