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

Testing for biological molecules — practice question

Four samples taken from a mixture of biological molecules were tested, and the outcomes are shown in the table. Which biological molecules were present in the mixture?

  • Areducing sugar and protein
  • Breducing sugar, non-reducing sugar and starch
  • Cnon-reducing sugar and protein
  • Dnon-reducing sugar and starch only

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