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List the three types of macromolecules

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1. List the three types of macromolecules that provide energy for biological organisms and the number of Calories provided by 1g of each macromolecule.

2. A package of peanut butter crackers contains 7g of fat, 16g of carbohydrates and 4g of protein.

a) Calculate the Calories from each macromolecule.

b) Calculate the % Calories for each macromolecule.

3. An unknown food item is tested using Iodine, Biuret, Sudan, Benedict's and paper. The results are listed below. Fill in the table with the required information.

Test Observed result What macromolecule does it test for? Is the macromolecule present or absent?

  • Biuret Violet
  • Paper Translucent
  • Iodine Yellow
  • Benedict's Blue
  • Sudan Orange

Reference no: EM132371564

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