How you show that yeast acts on sugar, Biology

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To show that yeast acts on sugar                

Make a sugar solution in a jar either with brown or white sugar, molasses or honey. Methodically crumble a quarter of a yeast cake into a test tube of the sugar solution. Crumble another quarter yeast cake into a test tube having the similar amount of ordinary tap water. Keep both tubes warm. Observe the tubes from time to time and note any dissimilarity in them.

 


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