Give the carbon skeleton notation for an example of each of the following types of fatty acids. In each case, design your fatty acid with 18 total carbons. a) Monounsaturated fatty acid b) PUFA c) Omega-3 fatty acid d) Saturated fatty acid.

The correct systematic name for the fatty acid below is: a) 3 octadecatrienoic acid b) 9 octadecatrienoic acid c) 3,6,9 octadecatrienoic acid d) 9,12,15 octadecatrienoic acid e) None of the above

7. Consider the structures shown. For each structure select all that apply. a) pentose, hexose or heptose b) D or L c) ketose or aldose d) a or ẞ e) pyranose or furanose COOM CHACH Structure A Structure C

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Which of the following link together amino acid units?A) Glycosidic bondsB) Disulfide bondsC) Peptide bondsD) Hydrogen bondsE) Ester linkages

What charged groups are present in lysine at a pH = 7? O A) 1 × NH3¹ B) 1 x COO OC) 1× NH3+ and 1 x COO- Jay OD) 2 × NH3 and 1 × COO- + OE) 1 × NH3+ and 2 × COO- O F) None

Glycoproteins: a) Briefly describe the structure and function of EPO. Provide its full name  b) What are lectins?

1. Which one of the following is NOT an important functional group or linkage in biomolecules? A) Phosphodiester B) Hemiketal C) Thiol D) Lipid E) Phosphoanhydride

b) The likelihood of both triglycerides and phospholipids to behave as liquids at a given temperature is affected by their degree of saturation. Explain what saturation is and provide a biochemical explanation for why it affects the likelihood of a lipid to behave as a liquid at a given temperature. 5) a) Proteins have multiple "levels" of structural complexity. Match the type of chemical bond on the left with the level of protein structure that they are specifically involved in maintaining on the right. (Note that more than one letter may apply to each structural level and that each letter may be used more than once or not at all). a. disulphide bonds Tertiary structure b. hydrogen bonds Primary structure c. ionic bonds Quaternary structure d. peptide bonds Secondary structure