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B11QuizzesF08

# B11QuizzesF08 - Bio 11 Lab Quizzes& Answer Key Fall 2008...

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Unformatted text preview: Bio 11 Lab Quizzes & Answer Key Fall 2008 Heyer Bio 11 Lab [Heyer] Name___________________________________ Quiz for Exercise 1 : Metrics & the Scientific Method Read the following description of an experiment: Twelve rats of the same breed and identical weight are trained to solve a maze with three trials for each rat. The next day, four of these rats are fed 50g of standard rat chow, four of the rats are fed 50g of rat chow containing 50mg of marijuana, and four rats are fed 50g of rat chow containing 100mg of marijuana. All twelve rats are then given three more trials to solve the same maze as on the previous day. The elapsed time to solve the maze is recorded for each rat and each trial. Match the terms below with the items on the right: ___ 1. Dependent variable ___ 2. Independent variable ___ 3. Standard variable ___ 4. Control condition ___ 5. X (horizontal)-axis of the results graph ___ 6. Y (vertical)-axis of the results graph A) Breed of rat B) Time taken to solve the maze on the second day C) Rats fed chow without marijuana D) Rats fed chow with marijuana E) Amount of marijuana in the chow. ___ 7. Our class room temperature is approximately A) 10–15°C. B) 20–25°C. C) 30–35°C. D) 40–45°C. E) 50–55°C. ___ 8. A typical human skin cell is ~0.05 mm in diameter. How big is that cell in µm? A) 0.00005 B) 0.05 C) 0.5 D) 50 E) 50,000 ___ 9. How much does a half-liter of water weigh? A) 50 g B) 379 g C) 500 g D) 1 kg E) 5 kg ___ 10. About how far is it from a typical doorknob to the floor? A) 1,000 mm B) 100 cm C) 1 m D) 0.001 km E) all of the above Bio 11 Lab [Heyer] Name___________________________________ Quiz for Exercise 3 : Chemical Composition of Cells ___ 1. What type of reaction converts polymers into monomers? A) condensation B) hydrolysis C) photosynthesis D) dehydration synthesis E) hydrophilic ___ 2. The reaction that produces fat is A) 2 glycerols + 2 fatty acids → 2 fats B) 3 fatty acids + 3 waters → 1 glycerol + 1 fat C) 3 glucose + 1 glycerol → 1 fat D) 3 fatty acids + 1 glycerol → 1 fat + 3 waters E) 3 fatty acids + 1 glycerol + 3 waters → 1 fat Matching: ___ 3. enzyme ___ 4. monosaccharide ___ 5. blue-black with iodine reagent ___ 6. purple with Biuret reagent ___ 7. negative control with Biuret reagent ___ 8. orange with Benedicts reagent ___ 9. nonpolar molecule ___ 10. inorganic molecule (= not organic) ___ 11. granules in potato cells ___ 12. energy storage in human cells A) water B) fat C) glucose D) starch E) protein Bio 11 Lab [Heyer] Name___________________________________ Quiz for Exercise 2: Microscopes; and Exercises 3 + 4: Cells & Function Match the description below with the organelle or cell component on the right: ___ 1. stack of saccules for processing molecules ___ 2. small sac transporting substances among organelles ___ 3. a site of protein synthesis ___ 4. contains digestive enzymes ___ 5. the only organelle visible in your cheek cells on the stained slide you made A) Golgi appartatus...
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B11QuizzesF08 - Bio 11 Lab Quizzes& Answer Key Fall 2008...

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