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

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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 _______ _______
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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? A. more hydrogen bonds D. ionic forces B. van der Waals forces E. none of the above C. hydrophobic attraction 3. Which amino acid has an R group which can NOT form hydrogen bonds? A. S D. Y B. L E. E C. T 4. The planar structure of a peptide bond includes how many atoms? A. 2 D. 10 B. 4 E. 24 C. 6 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: A. #1 is L, #2 is L C. #1 is D, #2 is L B. #1 is L, #2 is D D. #1 is D, #2 is D 7.* What supersecondary structure is represented here? A. beta sandwich D. αβ barrel B. helix bundle E. none of the above C. beta saddle 8. Some proteins can fold up rapidly and spontaneously. Proteins which need chaperones (heat shock proteins, Gro-EL) are likely to be A. alpha helical D. beta sheets B. large, hydrophobic E. from yeast or fungus C. small, globular 9. Specific cleavage at F, Y, and W residues is catalyzed by
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This note was uploaded on 05/09/2008 for the course MOLBIO 315 taught by Professor Deis during the Spring '08 term at Rutgers.

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

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