An experiment was set up to test the action of the enzyme amylase on starch - Junior Cycle Science - Question b - 2017
Question b
An experiment was set up to test the action of the enzyme amylase on starch.
Test tube X contained starch solution and amylase.
Test tube Y contained starch soluti... show full transcript
Worked Solution & Example Answer:An experiment was set up to test the action of the enzyme amylase on starch - Junior Cycle Science - Question b - 2017
Step 1
Why was the temperature of the water bath set at 37 °C?
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Answer
The temperature of the water bath was set at 37 °C because it is the most suitable temperature for enzyme activity and closely resembles human body temperature.
Step 2
Name the chemical used.
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Answer
The chemical used to test for the presence of starch is iodine.
Step 3
State the final colour you would expect to see in each of the two test tubes after the addition of this chemical.
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Answer
In test tube X, the final colour would likely be yellow brown or red brown, indicating the presence of amylase activity. In test tube Y, the final colour would be blue black, indicating the presence of starch.
Step 4
Identify the product of the action of enzyme amylase on starch.
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Answer
The product of the action of enzyme amylase on starch is maltose.
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