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Students investigated samples of amylase from 100 goats. 100 small filter paper discs were each soaked in a different sample of goat amylase. The students tested the activity of these amylase samples using plain paper. Plain paper contains starch. A circle of plain paper was placed into a Petri dish as shown in Fig. 1.1. Iodine solution was used to stain the starch in the plain paper.
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Students investigated samples of amylase from 100 goats. 100 small filter paper discs were each soak...
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