exam1s06 - Exam 1 Spring 2006 - Multiple Choice 1. What is...

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Exam 1 Spring 2006 - Multiple Choice 1. What is the name of the following functional group? O ׀׀ R – C – OR a. ether b. ester c. ketone d. amide e. aldehyde 2. Which of the four major types of small biomolecules has a basic formula of (CH 2 O) n ? a. amino acids b. carbohydrates c. nucleotides d. lipids e. none of these 3. A high entropy value indicates a. energy is required. b. energy is released. c. an ordered state. d. a disordered state. e. a non-spontaneous reaction. 4. If a reaction has a negative enthalpy value and a postive entropy value a. the reaction always has a negative free energy value and is spontaneous. b. the reaction always has a positive free energy value and is spontaneous. c. the reaction always has a negative free energy value and is non-spontaneous. d. the reaction always has a positive free energy value and is non-spontaneous. e. spontaneity will depend on the temperature. 5. The major difference between prokaryotes and eukaryotes is a. prokaryotes are anaerobic while eukaryotes are aerobic organisms. b. prokaryotes are unicellular while eukaryotes are multicellular. c. eukaryotes have membrane-bound cellular compartments while prokaryotes do not. d. All of these are true. e. None of these are true.
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6. What is the weakest force acting on biological molecules? a. London dispersion forces b. electrostatic interactions c. ionic interactions d. hydrogen bonds e. dipole-dipole interactions 7. What is the difference between a nucleoside and a nucleotide? a. Nucleotides lack a phosphate group. b. Nucleotides lack a purine or pyrimidine base. c. Nucleosides lack a phosphate group. d. Nucleosides lack a purine or pyrimidine base. e. Nucleosides lack a sugar group. 8. The bond between two nucleotides in a single-stranded fragment of DNA is called a a. peptide bond. b. phosphodiester bond. c. nucleic acid bond. d. hydrogen bond. e. None of these. 9. Restriction enzymes recognize ___________________ in a DNA strand. a. major grooves b. initiation sites c. termination sites d. tandom repeats e. palindromes 10. Place the following steps involved in the Sanger method of DNA sequencing in the proper order. I. A laser is used to excite the fluorescent dyes of the ddNTP’s. II. DNA polymerase catalyzes the polymerization of nucleotides. III. DNA is denatured into two separate strands. IV. Reaction products undergo electrophoresis. V. The primer binds to complimentary base pairs. a. III V II I IV b. III II IV V I c. III V II IV I d. V II III I IV e. V II III IV I
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11. Which of the following biomolecular techniques is dependent upon a heat-resistant DNA polymerase? a.
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exam1s06 - Exam 1 Spring 2006 - Multiple Choice 1. What is...

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