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9 July, 02:45

How to test for starch, glucose and protein using reagent?

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  1. 9 July, 03:27
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    Hello,

    1. To a test tube, add 40 drops of liquid to be tested.

    2. If testing more than one liquid, label each test tube with a marker.

    3. Add 3 drops of Biuret reagent solution to each test tube. Shake gently to mix.

    4. Note any color change. Proteins will turn solution pink or purple.

    *Source: my biology teacher. She gave us notes.*

    Faith xoxo
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