BI-670
Digestive enzymes
Biology · Secondary 3 · Medium · Digestive enzymes
A test tube contains starch solution and amylase. After 15 minutes at 37 °C, a few drops are removed and mixed with iodine solution. The mixture remains brown. What is the best conclusion?
- Starch is still present in the test tube.
- Starch has been completely digested.
- Iodine solution was not added.
- Amylase is denatured and inactive.
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