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301F01T1 - Biochemistry 694:301 First Exam Dr Deis Mon Oct...

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Biochemistry 694:301 Name___________________________ First Exam Dr. Deis I.D. Num _______________________ Mon. Oct. 1, 2001 Row Letter ____ Seat Number ______ This exam consists of two parts. Part I is multiple choice. Each of these 25 questions is worth two points. Answer the Part I questions on this sheet, below. Answer the Part II questions on the question pages. Please use BLOCK CAPITAL letters like this --- A, B, C, D, E. Not lowercase! 1. ______ 10. ______ 18. ______ 2. ______ 11. ______ 19. ______ 3. ______ 12. ______ 20. ______ 4. ______ 13. ______ 21. ______ 5. ______ 14. ______ 22. ______ 6. ______ 15. ______ 23. ______ 7. ______ 16. ______ 24. ______ 8. ______ 17. ______ 25. ______ 9. ______ GRADE: Part I Total _______ Part II: II-1 _______ II-2 _______ II-3 _______ II-4 _______ II-5 _______ Part II Total _______ Total, I & II _______
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694:301 First Exam, page 2 Name ________________________ 1. On the scale of the CPK models used in class, i.e. magnification of 10 8 , an average amino acid would be about the size of a A. a house D. an apple B. a truck E. a marble C. a large pillow 2. DNA base pairs are connected by hydrogen bonds. What force causes them to "stack" against each other in the double helix? 3. Which amino acid has an R group which can NOT form hydrogen bonds? 4. The planar structure of a peptide bond includes how many atoms? 5. Secondary structures are generally stabilized by A. salt bridges D. hydrophobic forces B. magnetism E. peptide H bonds C. van der Waals forces 6.* Examine the amino acids drawn below: 7.* What supersecondary structure is represented here?
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