Tests for biological molecules were carried out on three solutions.
The observations were as follows.
solution 1 Benedict’s test – blue to orange
solution 2 Benedict’s test after acid hydrolysis – blue to red
solution 3 biuret test – blue to purple
Which observations would show the solutions that contained sucrose and amylase?
1 )
1, 2 and 3
2 )
1 and 3 only
2 and 3 only
4 )
2 only
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