Final Exam - Final Exam- Bio 1100 ? ? 4-21-05 Gary Bulla,...

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Unformatted text preview: Final Exam- Bio 1100 ? ? 4-21-05 Gary Bulla, Ph.D. There are two parts to this exam. Part one (35 questions, pages 1-6) covers material from chapters 1-16. Part two (35 questions, pages 7-12) covers chapters 17, 19 ? and ? 21 for a total of 200 points. ? Write all answers in the space provided. ? In the case of a multiple choice question, circle only one answer. Part I- Covers chapters 1-16 True/False- For each of the below statements, Circle ? T ? for true or ? F ? for false. (2 pts each) ? 1. ?? T ??? F ?? Mitosis occurs in the M phase 2. ?? T ??? F ?? Cholesterol tends to make a membrane more fluid 3. ?? T ??? F ?? Facilitated diffusion is the diffusion of molecules against a concentration ?????? gradient. 4. ? T ??? F ??? Mitosis produces two identical cells, but meiosis produces four distinct cells ? 5. ? T ??? F ??? Using a ladder homology, the sugar phosphate chains of each strand ? would be the sides of the rope and the nitrogen bases form the rungs. 6. ? T ??? F ???? Most people with recessive disorders are born to carriers with normal phenotypes. 7. ? T ?? F ?? Telomerase is present mainly in germ cells and serves to prevent shortening of chromosomes during replication Multiple choice (2 pts each) 8. Which of the following use DNA as their genetic information? a. Archaea b. Prokaryotes c. Eukaryotes d. a and b above e. a ,b, and c above 9. Polymers of polysaccharides, fats and proteins are all synthesized from monomers by a. the removal of water (dehydration reaction) b. the addition of water to each monomer c. the formation on disulfide bridges between monomers d. ionic bonding of monomers 10. If one strand of a DNA molecule has the sequence of bases ATTGCA, the complementary strand would have the sequence a. UAACGU ??? b. TUUCGU ??? c. TAACGT ??? d. TUUGCT ???? e. TAAGCT 11. Which two functional groups are always found in amino acids? a. alcohol and aldehyde b. carboxy and amine c. ketone and carboxyl d. ketone and amine e. amine and sulfhydryl 12. How does one refer to an atomic form of an element containing the same number of protons but a different number of neutrons? a . isotope ??????? b. radioactive ??? c. isomer ????????? d. ion ??? e. polar atom 13. If the pH of a solution is 3.0, then it contains a. 10 3 molar hydrogen ions b. 10-3 molar hydrogen ions c. 1 x 10-3 moles of hydrogen per liter of water d. 10-3 molar hydroxide ions e. b ? and c above f. b and d above 14. An animal cell placed into a hypertonic environment a. Shrivels due to net loss of water b. Expands due to a net gain of water c. Retains it ? s shape due to it ? s cell wall 15. The mitotic spindle is a. Composed of microtubules and associated proteins b. The major driving force in mitosis c. Assembled at the centromere d. All of the above 16. Because NAD+ is an oxidizing agent, a. NAD+ is oxidized to NADH b. NAD+ is reduced to NADH c. NAD+ reduces molecules such as those in glycolysis 17. (3 pts) What is the expected frequency of recombination a. for two genes located on separate chromosomes? a....
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This note was uploaded on 11/08/2010 for the course BSC 2010 taught by Professor Bio during the Fall '10 term at Florida State College.

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Final Exam - Final Exam- Bio 1100 ? ? 4-21-05 Gary Bulla,...

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