1 .		Which is not a step in the process of catabolism?
2 .		Which is a characteristic of the electron-transport chain?
3 .		The amino acid that has a polar, neutral side chain is
4 .		The side chain that is matched with its correct description is
5 .		The alkane that is chiral is
6 .		The formula that can be drawn as a chiral molecule is
7 .		The correct structure for the dipeptide Asp-Lys is
8 .		Which is a characteristic of proteins?
9 .		Which statement concerning the alpha-helical and beta-pleated sheet secondary protein structures is true?
10 .		Which statement concerning holoenzymes, apoenzymes, and cofactors is true?
11 .		Which statement does not describe why enzymes function as biological catalysts?
12 .		Which phrase correctly describes carbohydrates?
13 .		Which monosaccharide is a ketohexose?
14 .		Which statement does not correctly compare cellulose and starch?
15 .		What structural feature can be used to distinguish solid animal fats from liquid vegetable oils?
16 .		Which is not a characteristic of steroids?
17 .		One of the two important functions of cholesterol in the human body is
18 .		The sequence that can represent a DNA tetranucleotide and an RNA tetranucleotide is
19 .		Which sequence of bases on one strand of DNA is correctly matched to its complementary sequence on the other strand of DNA?
20 .		The structures that are in order of decreasing size are
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