exam2a - BIOL/CHEM 3361 Spring 2011 Name EXAM 2 FORM A...

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BIOL/CHEM 3361 Name__________________________ Spring 2011 EXAM 2 FORM A Place your name at the top of this page of the exam. On the F-1712 Scantron form, use a no. 2 pencil to enter your test form designation, i.e., A or B. Also print and encode your name and your UTD ID (starting in the first column on the left and leaving the last spaces blank). Leave phone number, code and subject score sections blank. Select the best answer for the following multiple-choice questions and enter the corresponding letter on the Scantron sheet. You may use these test pages to make notes and work problems. You may use a non-graphing calculator or a graphing calculator you have cleared of all stored data. When finished, turn in this exam along with your Scantron sheet. 1. The β turns of a protein are examples of a. primary structure b. secondary structure c. supersecondary structure d. tertiary structure e. quaternary structure 2. Which of the following is one of the six major classes of enzymes as designated by the International Union of Biochemistry? 3. The T m of a protein is 4. Sulfa drugs are analogs of p-aminobenzoic acid (aka PABA). They function by 5. For a bisubstrate reaction, a Lineweaver-Burk plot consisting of a set of parallel lines is characteristic of a. a ping pong double displacement reaction. b. a random single displacement reaction. c. an ordered single displacement reaction d. a random triple displacement reaction e. none of the above.
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6. Which of the following structures can form the basis of a protein domain? 7. When the [S]/K m ratio is 4/1 for a Michaelis-type enzyme, what will be the v o /V max ratio? 8. Post-translationally modified amino acid residues in a protein are part of the protein’s
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