Final ExamB - Final Exam- Bio 1100 ? ? 4-20-06 Gary Bulla,...

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Unformatted text preview: Final Exam- Bio 1100 ? ? 4-20-06 Gary Bulla, Ph.D. There are two parts to this exam. Part one covers material from chapters 1-15. Part two covers chapters 16,17, 19 ? and ? 20 and 22 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 1-15 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 ???? Most people with recessive disorders are born to carriers with normal phenotypes. Multiple choice (2 pts each) 6. 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 7. 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 8. 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 9. 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 10. 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 11. 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 12. 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 13. 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 14. (3 pts) What is the expected frequency of recombination a. for two genes located on separate chromosomes? ??????????? 50% b. for genes located on the opposite ends of the same chromosome? ??????????? 50% c. for genes located next to each other on a chromosome? ~10% 15. (2 pts) A linkage /physical (circle one) ? map is constructed from recombination frequencies whereas a linkage/ physical (circle one) ? map shows the position of genes with respect to chromosomal features. b....
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Final ExamB - Final Exam- Bio 1100 ? ? 4-20-06 Gary Bulla,...

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