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Macromolecules Lab

Macromolecules Lab. Lab 4. Benedict’s Reagent. Tests for glucose Red is positive (+) Blue is negative (-) It needs to be heated to get accurate results. Iodine. Tests for starch Black is positive (+) Yellow is neg (-). Sudan. Tests for lipids Red is positive (+) Pale is negative (-).

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Macromolecules Lab

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  1. Macromolecules Lab Lab 4

  2. Benedict’s Reagent • Tests for glucose • Red is positive (+) • Blue is negative (-) • It needs to be heated to get accurate results.

  3. Iodine • Tests for starch • Black is positive (+) • Yellow is neg (-)

  4. Sudan • Tests for lipids • Red is positive (+) • Pale is negative (-)

  5. Biuret Reagent • Tests for proteins • Purple is positive (+) • Blue is neg (-)

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