last year final - Biology 150 Fall 2008 Final Exam Wilson...

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Biology 150 Fall 2008 Final Exam Wilson Form 1 Give the single BEST answer to each question (4 points each; 200 points total). Use the answer sheet to record your answers. 1. Which of the following is NOT an action of the SYMPATHETIC division of the autonomic nervous system? a. speed heart b. speed digestion c. relax bronchi in lungs d. stimulate adrenal medulla e. dilate pupils 2. Type-1 (juvenile) diabeties: a. is an autoimmune disorder b. results in excess insulin in the blood c. results in increased numbers of beta cells in the pancreas d. both a and b, above, are correct e. all of the above are correct 3. Which of the following is a carbonyl (functional) group? (Note: R, R’ = organic groups) O O O a. R–CH 3 b. R–C c. R-C d. R-C e. both c and d are correct OH H R’ Use the following list to answer the next three questions a. Ca ++ b. Na + c. K + d. Cl - e. Fe ++ 4. Which of the above ions is most permeable during rest (resting potential) in a neuron? 5. Which of the above ions serves as a second messenger in some signal transduction pathways? 6. Which of the above ions is responsible for producing the undershoot of the action potential? For the next three questions, consider the following cross exhibiting simple Mendelian inheritance: AaBb x aabb where A = red eyes (dominant allele); a = white and B = black body (dominant allele); b =gray body 7. Among the first generation offspring of the above cross, what fraction will have red eyes? a. none b. 12.5% c. 25% d. 50% e. 100% 8. Among the first generation offspring of the above cross, what fraction will have a heterozygous genotype for body color? a. none b. 12.5% c. 25% d. 50% e. 100% 9. Among the first generation offspring of the above cross, what fraction will have gray bodies and white eyes? a. none b. 12.5% c. 25% d. 50% e. 100%
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10. In most humans, and almost all right-handed individuals, language functions reside in which part(s) of the brain? a. right cerebral hemisphere b. left cerebral hemisphere c. both right and left hemispheres, about equally d. limbic system e. brain stem Consider the following human pedigree to answer the next two questions 11. The indicated trait in the above pedigree a. is dominant b. is recessive c. shows maternal inheritance d. must be from a polygenic trait e. both a and c are correct 12. In the above pedigree, which of the following is POSSIBLE, that is, consistent with the data? a. maternal inheritance b. sex-linked, recessive inheritance c. mitochondrial DNA inheritance d. both a and c, above e. none of the above 13. During CYCLIC electron flow in the light reactions of photosynthesis, the electrons that leave chlorophyll in photosystem I end up as part of: a. NADPH b. water c. ATP d. FADH 2 e. chlorophyll 14. The diploid content of DNA in a cell is 7 picograms. How many picograms of DNA will be present in the cell during the S stage of the cell cycle? a. 3.5
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This note was uploaded on 12/01/2010 for the course PSY 110 taught by Professor Winters during the Spring '08 term at University of Miami.

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last year final - Biology 150 Fall 2008 Final Exam Wilson...

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