A protein can be detected using the Biuret test, which yields a purple or lilac color in its presence.
A biochemical test for protein involves adding Biuret reagent (alkali and copper sulfate), which turns purple or lilac in the presence of protein.
| Front | Describe how you would use a biochemical test to show that a solution contained protein. (2 marks) |
|---|---|
| Back | Biuret / alkali + copper sulphate; Lilac/purple/mauve/violet; |
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