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LESSON 2 - ASSIGNMENT 1. Differentiate between a fat and an oil in 1-3 sentences. 2. The following is a structural diagram for arginine: H N H H H H N C C C C H H H H N O H N C C H H OH H List everything you can derive about this biomolecule from the structure. 3. A molecule is described to you as an aliphatic, polar glycolipid. Which of the following statements must then be true for the molecule (select all that are correct); a) b) c) d) e) f) g) it is soluble in water it must contain a nitrogen atom one part of the molecule contains a charge part of the molecule is hydrophobic and part is hydrophilic the molecule contains a lipid bound to an amino acid the molecule contains a carbohydrate residue the molecule has a ring structure 4. Write a paragraph explaining why functional groups (side chains) are important in the function of proteins. 5. Draw a structural diagram for each of the following: • • • an amino acid with a methyl side chain a three carbon carbohydrate a monounsaturated five carbon fatty acid