Biology 9700 · AS & A Level · Testing for biological molecules

Testing for biological molecules — practice question

A student completed four tests for biological molecules on a solution. The findings are shown in the table. iodine solution – orange biuret – blue Benedict’s – orange emulsion – clear Which molecules are present in this solution?

  • A1 and 3
  • B1 and 4
  • C2 and 3
  • D3 and 4

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