In an experiment to investigate an aspect of digestion, two test tubes A and B were set up .
The test tubes were left in the water bath maintained at 37°C for 30 minutes. The content of each test tubes was then tested for starch using iodine solution.
i) what is the aim of the experiment?
ii)state the expected results in the test tube A and B.
iii)Account for the results you have given in test tubes A and B above.
iv)why was the set up left at37°C.

In an experiment to investigate an aspect of digestion two test tubes A and B were set up The test tubes were left in the water bath maintained at 37C for 30 mi class=