Food - Prelab Questions

Prelab Questions

1. Occasionally, the abbreviation "CHO" is used to represent carbohydrates. Explain why.

2. "Polymer" is a term used to identify compounds that are made up of repeating units of smaller compounds. The smaller compounds that make up a polymer are called "monomers". Complex carbohydrates and proteins are considered biological polymers. What kind of monomer units makes up each?

3. A typical fast food hamburger contains 300 calories, 15 g of total fat, 6 g of saturated fat, 27 g of carbohydrates and 19 g of protein. What percentage of the DV of each of these components does the hamburger represent?

4. A box of hot chocolate mix had this label. Predict the results of each test described in the background.

5. A particular sample gives a negative ninhydrin test, a positive Molisch test and a negative grease spot test. What macronutrients are present in the sample?

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