BI-634
Digestive enzymes
Biology · Secondary 3 · Medium · Digestive enzymes
A test tube contains 2 cm³ of starch suspension and 2 cm³ of amylase solution. The mixture is kept at 37°C for 15 minutes. When iodine solution is added, the mixture turns yellow-brown. What does this result show?
- Amylase has broken down all the starch into sugars.
- Amylase is not present in the mixture.
- Starch is still present in large amounts.
- Iodine solution cannot be used to test for starch here.
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