BMB526Exam1-06 - BMB 526 Exam 1 November 6 2006 You may use...

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BMB 526 Exam 1 November 6, 2006 You may use this grid to record your answers for comparison with the posted answer keys. Version of the Exam: 1A 1. _____ 8. _____ 15. _____ 22. _____ 29. _____ 2. _____ 9. _____ 16. _____ 23. _____ 30. _____ 3. _____ 10. _____ 17. _____ 24. _____ 31. _____ 4. _____ 11. _____ 18. _____ 25. _____ 32. _____ 5. _____ 12. _____ 19. _____ 26. _____ 33. _____ 6. _____ 13. _____ 20. _____ 27. _____ 34. _____ 7. _____ 14. _____ 21. _____ 28. _____ ------------- The information provided below may be useful in answering some questions.
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1A-2 BMB 526 Exam 1 - November 6, 2006 NAME (print clearly) ___________________________________ CHM COM (circle one) BEFORE you begin the exam, please complete the following information on your response sheet: (a) your name and signature (b) your student number (PID) (c) your college --- in the area under SECTION: mark 001 for CHM student mark 002 for COM student (d) your version of the exam is 1A --- mark this in the area under FORM This exam contains 34 questions. For each question, please mark the letter on the response sheet that corresponds to the best available answer. When you leave the exam room, please turn in your RESPONSE SHEET and your EXAM to the proctors. Once you exit the exam room, please DO NOT re-enter until the end of the exam period. To reduce the noise entering the exam room, please do not remain in the hall outside the exam room. Answer Keys will be posted at the Angel website following the exam. You have 65 minutes to complete this exam. Do well and good luck.
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1A-3 1. Attributes of the genetic code include all of the following EXCEPT : A. Each codon consists of 3 nucleotides. B. Each codon specifies more than one amino acid. C. Codons are non-overlapping. D. Most amino acids are coded for by more than one codon. E. The code is essentially universal. 2. Which of the following statements regarding DNA structure is INCORRECT ? A. Adenine always pairs with thymine; and guanine pairs with cytosine. B. The DNA helix has both major and minor grooves. C. Base pairs are stabilized by salt bridges. D. The two strands of a DNA helix are anti-parallel. E. Hydrophobic interactions between adjacent base pairs help stabilize the helix. 3. Histones are proteins A. with a net negative charge. B. that unwind DNA during replication. C. that are basic and form electrostatic interactions with the phosphates of the DNA backbone. D. that are a class of topoisomerases. E. that keep ssDNA strands from re-annealing. 4. A haploid cell always has A. two copies of each chromosome. B. exclusively condensed DNA that is not expressed. C. three or more copies of each chromosome. D. one copy of each chromosome. E. 46 chromosomes in human cells.
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BMB526Exam1-06 - BMB 526 Exam 1 November 6 2006 You may use...

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