Biology 0610 · IGCSE · Biological molecules

Biological molecules — practice question

Each of these nutrients was investigated in four foods: fat (with the ethanol emulsion test), protein (with the biuret test), reducing sugar (with Benedict’s solution). Which food has both protein and fat?

  • Apurple ✓, brick-red ✗, milky-white ✓
  • Bpurple ✓, brick-red ✗, milky-white ✗
  • Cpurple ✗, brick-red ✓, milky-white ✓
  • Dpurple ✗, brick-red ✓, milky-white ✗

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