exam2practice#2

exam2practice#2 - Exam 2 practice This is only a sample of...

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Exam 2 practice This is only a sample of questions from some of the information you are responsible for the exam. Once again, these questions are only meant to give you an idea of the types of questions to expect. You should study everything and not expect to see these exact questions. Also, don’t assume that if a topic is not covered on this sample exam, then it will also not be covered on your real exam. All material presented since exam 1 should be studied. 1. Which of the following would prevent the production of ATP by chemiosmosis? a. treating cell with a chemical to make the membrane permeable to H+ b. treating the cell with a chemical that prevents the ATPase from using proton movement to make ATP c. treating the cell with a chemical that makes it pump H+ outside the cell d. a and b e. a, b, and c 2. Consider the graph below. The growth of what type of organism is described? a. acidophilic b. halophilic c. halotolerant d. osmophilic e. can’t tell without more information 3. What is a fate of pyruvic acid in a microbe that uses fermentation? a. it is oxidized in the citric acid cycle b. it is reduced in the citric acid cycle c. it is reduced to lactic acid d. it is catabolized in glycolysis e. it is oxidized to lactic acid 4. Which of the following statements concerning photoautotrophs is/are true? a. they use photosystems to convert light energy into ATP b. they create H+ gradients to drive ATP synthesis c. they use carbon-containing compounds as their energy source d. a and b e. a, b, and c 5. Sulfanilamide is not toxic to humans because:
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This note was uploaded on 04/07/2008 for the course BIOL 2051 taught by Professor Brininstool during the Spring '07 term at LSU.

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exam2practice#2 - Exam 2 practice This is only a sample of...

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