Documents about Biochemistry Exam

  • 3 Pages

    2004exam3

    Johns Hopkins, CHEM 020.305

    Excerpt: ... Biochemistry Exam 3 Biology 020.305 11/15/04 FULL NAME_ Page 1 Biochemistry Exam 3 Biology 020.305 November 15, 2004 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 will not be graded. Extra space for doodling etc is found on the 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 ...

  • 3 Pages

    2005exam3

    Johns Hopkins, CHEM 020.305

    Excerpt: ... Biochemistry Exam 3 Biology 020.305 11/21/05 FULL NAME_ Page 1 Biochemistry Exam 3 Biology 020.305 November 21, 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 12 pages including: 1 cover (page 1) 10 question (pages 2-11) 1 totaling (page 12) 2. For short answer questions, write answers clearly and concisely in the space provided. Anything written on the back of the exam will not be graded. If you desire credit for any answer that is NOT in the answer space provided, you must clearly indicate where we should look for that answer. It cannot be on any back of any page of the exam. 3. Short answer questions on the exam must be written in blue or black permanent ink. Use of pencil, white-out, other corrective liquids, or erasable ink on short answer questions is not permitted. If you fail to follow these rules you will for ...

  • 4 Pages

    Exam4

    Lycoming, BIO 44406

    Excerpt: ... Biochemistry Exam 4 4/26/2005 page 1 Part 1 - Multiple Choice (25 pts total; 2.5 pts each) Name _ _ 1. Which of the following is the electron donor in most anabolic reactions? A. glutamine B. Coenzyme A C. cytochrome c D. pyridoxal phosphate E. NADPH _ 2. Which of the following is in order of increasing number of carbons A. oxaloacetate, pyruvate, urea, geranyl pyrophosphate, arachidonate, squalene B. urea, oxaloacetate, pyruvate, squalene, geranyl pyrophosphate, arachidonate C. pyruvate, urea, oxaloacetate, squalene, arachidonate, geranyl pyrophosphate D. urea, pyruvate, oxaloacetate, geranyl pyrophosphate, arachidonate, squalene E. pyruvate, urea, oxaloacetate, squalene, geranyl pyrophosphate, arachidonate _ 3. Cytochrome P-450 enzymes typically use what substrate? A. NADH B. fatty acids C. Pyridoxal phosphate D. O2 _ 4. Which of the following is not an isoprenoid ? A. palmitate B. cholesterol C. ergosterol E. glutamine D. terpenes _ 5. Which of the following is n ...

  • 2 Pages

    Chemistry 115 F07 schedule

    Grossmont, CHEMISTRY 115

    Excerpt: ... Chemistry cont. Veterans Day Go over exam Tuesday Wednesday Exp 13-Chemical Models/ Organic Isomers Thursday Friday models Tuesday Wednesday Problem session Quiz Thanksgiving Quiz Nov 26 Dec 3 20 Biochemistry Exam 4 Organic and biochem movies Check-out Exam 4 (Ch 14,15,19) Dec 10 Cumulative Final exam Final exam Monday, Dec 10 11:30 am-1:30 pm ...

  • 28 Pages

    Lh5ch01Intro

    FIU, BCH 3033

    Excerpt: ... General Biochemistry BCH 3033 Prereqs: Having finished Organic Chem I and II with a grade of C or higher + General Biology I and II. This means you will have to use the knowledge of these 4 Chemistry courses in General Biochem. Exams = Exams of 100 p ...

  • 3 Pages

    exam3key

    Johns Hopkins, CHEM 020.305

    Excerpt: ... Biochemistry Exam 3 Biology 020.305 11/21/05 FULL NAME_ Page 1 Biochemistry Exam 3 Biology 020.305 November 21, 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 12 pages including: 1 cover (page 1) 10 question (pages 2-11) 1 totaling (page 12) 2. For short answer questions, write answers clearly and concisely in the space provided. Anything written on the back of the exam will not be graded. If you desire credit for any answer that is NOT in the answer space provided, you must clearly indicate where we should look for that answer. It cannot be on any back of any page of the exam. 3. Short answer questions on the exam must be written in blue or black permanent ink. Use of pencil, white-out, other corrective liquids, or erasable ink on short answer questions is not permitted. If you fail to follow these rules you will for ...

  • 1 Pages

    260s06ex2pract

    Wisc Stevens Point, CH 260

    Excerpt: ... CHEMISTRY 260 BIOCHEMISTRY Exam 2 PRACTICE QUESTIONS 1) 2) Textbook Chapter 8 study exercises: 5 8 13 17 19 20 31 Give the complete name of each of the following monosaccharides: HOCH2 O HOCH2 O O HOCH2 C H2 OH O O C H3 HOCH2 O 3) Textbook Chapter 9 study exercises: 3 4 5 12 13 21 25 26 4) Describe each of the following transport processes with the appropriate terms: passive , primary active or secondary active; uniport, symport or antiport; and electroneutral or electrogenic. glucose (hi) H+ (hi) 2 K + 3 Na + (lo) (hi) C a+2 (hi) glucose N a+ (lo) (hi) H + lactose ADP -3 ATP -4 (hi) (lo) (hi) (lo) a b c ATP d ATP e f g glucose (lo) H+ (lo) 2 K + 3 Na + (hi) (lo) C a+2 glucose N a+ (lo) (hi) (lo) H + lactose ADP -3 ATP -4 (hi) (lo) (lo) (hi) 5) Shown below is a diagram of the final electrophoresis pattern obtained from the dideoxy method of DNA sequencing. Determine the base sequence of the DNA template that gave this result using labeled primers. Indicate 5' and 3' termini. (segment lengt ...

  • 6 Pages

    Biochemistry Exam 3

    Portland State, BI 350

    Excerpt: ... Biochemistry Exam 3 1) See the reactions below. Dr. Smith CH320 November 19, 2001 a) Given the general mechanism for the hydrolysis of an alkene, design the active site for the enzyme which would catalyze the hydrolysis of fumarate to Lmalonate. Be sure to show where residues should be placed in the active site and explain their role in the catalysis by drawing an abbreviated mechanism. b) Name the enzyme based on common naming conventions for enzymes. c) Use the following Lineweaver-Burk plot for the enzyme which catalyzes this reaction to determine its Vmax, Km, kcat and catalytic efficiency when [E] = 2 10-6 M. (Units for [S] are mM and for v0 are mM/mL*min.) Dr. Smith CH320 November 19, 2001 2) Which of the reactions below has a larger rate constant? Why? How does this relate to their mechanisms and the mechanisms of enzyme catalysis. Dieckmann Condensati on O O NaOEt EtO EtO Clai sen Condensation O NaOEt O O O OEt O O O Dr. Smith CH320 November 19, 2001 3) The data for the g ...

  • 4 Pages

    365fall96exam3

    Wisc Stevens Point, CHEM 365

    Excerpt: ... Chem 365 Biochemistry Exam #3 November 26, 1996 Name_ Answer any 8 of the 10 numbered problems. Indicate on your exam answer booklet which 8 you want graded. ( 20 points each.) 1. A purified enzyme solution has a protein concentration of 0.776 mg/mL. 100 L of a 1:10 dilution of that enzyme solution is added to a solution that contains 500 moles of substrate. After 100 seconds of reaction, the 4.00 mL reaction mixture has a substrate concentration of 4.40 x 10-2 M. Calculate the specific activity of the purified enzyme solution in moles substrate reacted per minute per mg protein. (Show all work.) The data in the table below were obtained for an enzyme reaction that follows the simple MichaelisMenten enzyme model. Determine KM and vmax for this enzyme reaction from the data. Show all work. Graph paper is available for your use. v0 (mol/min) 3.24 4.66 5.46 5.97 2. [S]0 (mM) 2.00 4.00 6.00 8.00 v0/[S]0 1.62 1.17 0.910 0.746 [S]0/v0 0.617 0.858 1.10 1.34 3. In each case b ...

  • 1 Pages

    2009Quiz7

    Bemidji State, CHEM 1212

    Excerpt: ... CHEM 1212: Principles of Chemistry II Quiz 7 Due Tuesday, 3/31/09 by 1:00 PM Instructions: Clearly indicate your answers (i.e. circle, underline, etc.) for every problem. Turn in one assignment per group (no more than 4 names/ assignment). Assignment ...

  • 11 Pages

    00exam02

    Alaska Anch, CHEM 342

    Excerpt: ... Name_ Chemistry 342 Biochemistry Exam 2 March 27, 2000 (30) 1. Answer the following questions by supplying the correct name, structure or reaction equation. a. The equation for the "energy charge" in a cell. b. A co-enzyme molecule that carries "active aldehydes" c. A reaction that uses biotin as a cofactor. d. A reaction that serves to regenerate NAD+ during anaerobic metabolism. e. A reaction that occurs during gluconeogenesis but not during glycolysis. f. A reaction involving lipoic acid as a co-factor. g. A non-protein molecule that is an essential component of biological membranes Name_ h. A reaction that produces GTP from GDP + Pi. i. An reaction that requires Acetyl-CoA as a positive modifier. j. A reaction that involves the fixation of CO2. k. A molecule that represents an activated form of carbohydrate. l. An amino acid that can be synthesized in one step (transamination) from an intermediate in glycolysis or the TCA cycle. m. An anaplero ...

  • 3 Pages

    exam1

    Lycoming, BIO 44405

    Excerpt: ... Biochemistry - Exam 1 - 9/12/03 - Page 1 Part I. (35 pts) Multiple Choice 2.5 pts each _ 1. Nucleic acids are composed of A. nucleotides B. fatty acids Name _ C. monosaccharides D. amino acids D. Van der Waals E. D & E 2. Which of the following b ...

  • 5 Pages

    Biol_600-f03_exam_2A_on-line

    E. Kentucky, BIOL 600

    Excerpt: ... Biol 600, Intro Biochemistry Exam 2A On-Line KUID: _ -1- Welcome to the second exam for Biol 600. This is a take-home exam, so there are a few additional rules: i) The purpose of this exam is for you to determine how well you understand biochemic ...

  • 2 Pages

    Biochem Exam 3

    University of Michigan, BIOLCHEM 415

    Excerpt: ... Biochem Exam 3 Signal Transduction Pathways General information about signal transduction pathways o Three pathways: epinephrine, insulin, and epidermal growth factor o Principles: release of primary messenger (signal) interaction of the primary me ...

  • 3 Pages

    260s05ex4pract

    Wisc Stevens Point, CH 260

    Excerpt: ... CHEMISTRY 260 BIOCHEMISTRY Exam 4 PRACTICE QUESTIONS 1) Book questions: Chapter 16: 2 3 8 9 10 19 22 25 28 Chapter 17: 1 (a b c e(cytochrome c) g o p) 25 Chapter 18: 8 23 26 Chapter 19: 16(abcd) 17 23 Chapter 20: 4 6 15(effect on cAMP concentration; effect on protein kinases, protein phosphatases) 2) 3) 4) What molecules are produced from pyruvate under anaerobic conditions? What citric acid cycle molecules can be directly produced from pyruvate? Know what reactions are oxidative decarboxylations with a-ketoacids and what are oxidative decarboxylations with b-ketoacids. a) Be able to determine the net ATP production for the following molecules in glycolysis, pyruvate dehydrogenase complex, the citric acid cycle and oxidative phosphorylation: glucose, fructose, sucrose, pyruvate, acetylCoA, Oglycerol (gets to glycolysis by first glycerol kinase then phosphoglycerol dehydrogenase (NAD+) b) Be able to determine the net ATP production for the following molecules in b-oxidation, the citric acid cycle and oxida ...

  • 6 Pages

    Biol_600_f03_Exam_1A_Key

    E. Kentucky, BIOL 600

    Excerpt: ... Biol 600, Intro Biochemistry A. Multiple Choice: Exam 1A Key 20 questions, 3 pt each. KUID: KEY -1- 1. A weak acid has a pKa value of 6.8. What is the ratio of conjugate base (deprotonated form) to conjugate acid (protonated) at pH 8.8? a. 10:1 b ...