Biol223_Smith_29_2008-2009Spring_FINAL

Biol223_Smith_29_2008-2009Spring_FINAL - BIOL 223 Smith...

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BIOL 223 Smith 2008-2009 Spring FINAL Page 1 of 6 BIOL 223 Spring 2008-2009 Smith FINAL, 1 June 2009 Notes, calculators, phones, and communication with others is forbidden. Write your name and student ID number at the top of this page and on the answer sheet, the last page. You must show your work. If you do not show your work, you may not receive credit . Write legibly, if I cannot read or understand your answer, you will receive no credit. If it takes too much effort to understand, you may lose points. Unanswered questions receive zero credit, and within parts of multi-part questions, incorrect answers may subtract from correct parts. Unjustifiable, frivolous, and grossly incorrect answers may be assigned negative points. Thus, it is possible to receive a negative score on the exam. If you find any mistakes of mine in the question, note it on your exam answer page and you may receive extra credit. There are 100 points possible. The exam is comprehensive, covering Russell, 2nd edition, chapters 1, 2, 3, 4, 11, 12, 15, 16, 18, 19. Note points per question and spend your effort accordingly! Recall that the 37.5 % of your total course grade will be calculated from the higher of 25 % Smith Exam I + 10 % Smith Final + 2.5 % Smith Recitation or 12.5 % Smith Exam I + 20 % Smith Final + 5 % Smith Recitation
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BIOL 223 Smith 2008-2009 Spring FINAL Page 2 of 6 Question 1 for 18 points (5 minutes) Describe the 9 base pairs shown below in the table by: a) writing Y (yes) or N (no) in the table to indicate whether it has Watson-Crick geometry or not, b) identify by number (1-9) which base pairs contain A:C, A:U, C:G, and G:U base pairs, respectively. N N H NH N N H 2 O N NH NH 2 O N N NH N N H 2 NH NH O O N NH NH N NH 2 O N NH NH 2 O N N NH N N H 2 NH NH O O N N H NH N N H 2 O NH NH O O N N NH N NH 2 N NH N H 2 O N NH NH N NH 2 O NH N H O O N N NH N N H 2 NH NH O O N N NH N NH 2 N NH N H 2 O 1 2 3 4 5 6 7 8 9 bp# 1 2 3 4 5 6 7 8 9 Q1a bp type A:C A:U C:G G:U Q1b Question 2 for 16 points (5 minutes) Three single stranded oligodeoxynucleotides were labeled at their 5’-phosphates with
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This note was uploaded on 02/23/2010 for the course BIOL 223 taught by Professor Smithanddarwiche during the Spring '10 term at American University of Beirut.

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Biol223_Smith_29_2008-2009Spring_FINAL - BIOL 223 Smith...

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