Biochemistry Exam 1 (2005)

Biochemistry Exam 1 - Biochemistry Exam 1 Biology 020.305(please print clearly FULL NAME(PRINTED_1 Biochemistry Exam 1 Biology 020.305 October 3

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Biochemistry Exam 1 FULL NAME (PRINTED) ________________________________ 1 Biology 020.305 (please print clearly) 10/03/05 ________ Biochemistry – Exam 1 Biology 020.305 October 3, 2005 Instructions for examination: 1. Print your full name clearly on each page. If there are any pages missing, obtain a new exam. No excuses will be accepted for missing pages. There are a total of 11 pages including: 1 cover page 1 8 question pages 2-9 1 scrap page 10 1 grading page 11 2. Write answers clearly and concisely in the space provided. Anything written on the back of the exam is not graded . Extra space for doodling etc is found on the 2 nd to last page of the exam. If you desire partial credit for anything that is NOT in the answer space provided, you must clearly indicate where we should look for that partial credit. It cannot be on the back of the exam. 3. Exams must be written in blue or black permanent ink. Use of white-out, other corrective liquids, or erasable ink is not permitted. Failure to follow these rules will waive your right to submit the exam for a regrade. 4. Calculators are not necessary and their use is not allowed. When arithmetic calculations are requested, if you are unable to do the calculations manually, set up the solution as completely as possible without actually solving for the final number. 5. This exam is closed note and closed book. Books, notes, etc., are to be placed out of sight before the beginning of the exam and are not to be referred to during the exam. 6. You will be allowed 1 hour and 45 minutes to take this exam. 7. Ethics Pledge: Please make the following commitment by signing and dating underneath the following pledge: “I agree to complete this exam without unauthorized assistance from any person, materials, or device.” 8. Good Luck!
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Biochemistry Exam 1 FULL NAME (PRINTED) ________________________________ 2 Biology 020.305 (please print clearly) 10/03/05 ________ ________________________________________________________________ True or False . Fill in on SCANTRON T if mostly true or F if mostly false. 1 pt each 1. Three amino acids contain hydroxyl groups 2. SDS-PAGE is a tool used to analyze protein samples for purity. 3. Fat soluble vitamins are coenzymes. 4. MALDI-TOF is an analytical tool used to sequence amino acids. 5. 24 different types of beta sheets are possible from 4 beta strands, but many of them have never been found in protein structures. 6. Proteins can be comprised of single or multiple domains. 7. The planarity of the peptide bond arises from chemical resonance 8. Motifs are common structural units that sometimes are also functional. 9. Expressing your favorite protein as a fusion construct with an affinity tag such as maltose binding protein allows for easier purification of your favorite protein. 10.
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This note was uploaded on 11/11/2009 for the course BIOLOGY 020.305 taught by Professor Emily during the Fall '08 term at Johns Hopkins.

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Biochemistry Exam 1 - Biochemistry Exam 1 Biology 020.305(please print clearly FULL NAME(PRINTED_1 Biochemistry Exam 1 Biology 020.305 October 3

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