QUIZ 1. Which organic molecule is not considered a biochemical molecule? a. Glucose b. Oligopeptide c. Octane d. Lipoic acid Answer: c. Each of these is representative of an organic molecule; however, hydrocarbons like octane are organic but not biochemical in nature because they do not exist in living things. Only methane is a hydrocarbon that exists in life. 2. What is the definition of an organic molecule? a. A molecule that is neither acidic nor basic. b. A molecule that contains carbon. c. A molecule found in living things. d. A molecule that is hydrophobic or water-hating. Answer: b. Organic molecules, by definition, contain carbon so these are carbon-based molecules. 3. Which of the following is considered a polymer rather than a monomer? a. Amino acid b. Glucose c. Glycogen d. Fructose Answer: c. Glycogen is a long chain of glucose molecules so it is a polymer rather than a monomer. The other choices represent single subunits or monomers.
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