Pratik was performing an experiment to test for the presence of starch and
glycogen in differe...
Pratik was performing an experiment to test for the presence of starch and
glycogen in different types of foods. He treated four food samples with a Lugol's
iodine reagent. This solution is brown-yellow, but it produces a blue-black color
when it reacts with starch and a brown-blue color when it reacts with glycogen.
Which samples would test positive for starch or glycogen in this
experiment? Select all that apply.
Banana
Table sugar
Liver
Potato flakes
Answers: 2
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