Exam 3 Fall 2008 - Principles of Cell Biology Exam 3...

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Principles of Cell Biology Exam 3 November 18, 2008 Directions : There are 75 questions in this exam with only one correct answer for each question. All answers are to be placed on the grid sheet. Good luck. 1. Which of the following enzymes is regarded as the “marker enzyme” that distinguishes lysosomes from other organelles? a. Histones b. RUBISCO c. Catalase d. Acid phosphatase e. None of the above 2. p680 and p700 describe what type of molecule? a. Chlorophyll b. Primary electron acceptors in photosynthesis c. The two allosteric inhibitors that regulate glycolysis d. Auxiliary pigment molecules e. The rate limiting enzyme for carbon fixation 3. Repeating units of D-glucoronic acid and N-actyl-D-glucosamine describe a. Hyaluronic acid (hyaluronan) b. Collagen c. Perlecan d. Laminin e. Fibronectin 4. Which of the following would not result in a decrease in ATP production by the mitochondria? a. Cyanide b. Cycloheximide c. Oligomycin d. Valinomycin e. Dinitrophenol 5. Gaucher’s disease is characterized by a deficiency in a. Hexominidase A b. Acid phosphatase c. Alpha L iduronidase d. Neuraminidase e. Glucocerebrosidase 6. Which of the following is not produced by the citric acid cycle? a. GTP b. FADH 2 c. NADH d. Cytochrome c e. Carbon dioxide
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7. Of the wavelengths listed below which results in the lowest level of photosynthesis in vascular plants? a. 400 nm b. 450 nm c. 500 nm d. 550 nm e. 650 nm 8. Duchenne muscular dystrophy is due to a defective a. Intracellular protein b. E-cadherin c. Collagen d. E-CAM e. Fibronectin 9. Which of the following extracellular matrix components typically supports the differentiated state of primary neurons and other cells that can differentiate into neurons? a. Collagen b. Laminin c. Hyaluronan d. Fibronectin e. Perlecan 10. Which of the following enzymes are typically found in lysosomes? a. Hydrolases b. Nucleases c. Phosphatases d. Lipases e. All of the above 11. Phosphofructokinase-1 is a key enzyme in a. Mitochondrial triggered apoptosis b. Glycolysis c. The synthesis of collagen d. The Calvin cycle e. The Krebs cycle 12. Which of the following is not a major complex in the electron transport chain? a. NADH-CoQ reductase b. Succinate-CoQ reductase c. CoQH 2 -cytochrome c reductase d. Cytochrome c oxidase e. Oxaloacetate 13. Tendon best matches which type of extracellular matrix category? a. Loose connective tissue b. Basal lamina c. Dense connective tissue d. Disorganized array of diverse molecules e. Not yet known
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14. The mitochondrial FoF1 particle a. Is associated with the inner mitochondrial membrane b. Produces ATP via proton motive force c. Is referred to as the ATP synthase d. Can be dissociated into separate Fo and F1 particles e. All of the above 15. Rhodamine 123 and JC-1 are vital dyes that stain a. Lysosomes b. Mitochondria c. Collagen d. Golgi e. Nuclei 16. Photorespiration a. Is triggered by high levels of carbon dioxide b. Is triggered by low levels of oxygen c. Both a and b d. Releases the plant second messenger, hydrogen peroxide
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This note was uploaded on 03/12/2010 for the course BIOL 311 taught by Professor Vanbuskirk during the Spring '08 term at Binghamton University.

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Exam 3 Fall 2008 - Principles of Cell Biology Exam 3...

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