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Biology Exam- - Pract ice Test for BIO 311C Chapters 6-11 Answer the 6 Big Qu estions on H andout 18 f irst Then test your knowledge on these pr

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Practice Test for BIO 311C -- Chapters 6-11 Answer the 6 Big Questions on Handout 18 first. Then, test your knowledge on these practice questions. Grade them, then use this practice test to add to your answers to the 6 Big Questions. The questions on this practice test are mostly about details, not major concepts! MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Which of the following would likely move through the lipid bilayer of a plasma membrane most rapidly? A) K + B) CO 2 C) an amino acid D) glucose 2) The main difference(s) between facilitated diffusion and active transport is (are) A) facilitated diffusion uses channel or carrier proteins and active transport does not. B) facilitated diffusion does not rely on cellular energy and active transport does. C) facilitated diffusion moves substances down their concentration gradient and active transport moves them against their gradient. D) A and B only E) A, B, and C 3) What limits the resolving power of a light microscope? A) the type of heavy metal or dye that is used to stain the specimen B) the type of lens that focuses a beam of electrons through the specimen C) the ratio of an object's image to its real size D) the shortest wavelength of light used to illuminate the specimen E) the type of lens used to magnify the object under study 4) Which of the following is a reasonable explanation for why unsaturated fatty acids help keep any membrane more fluid at lower temperatures? A) The double bonds result in a shorter fatty acid tail. B) The double bonds block interaction among the hydrophilic head groups of the lipids. C) Unsaturated fatty acids have a higher cholesterol content. D) Unsaturated fatty acids permit more water in the interior of the membrane. E) The double bonds form a kink in the fatty acid tail, forcing adjacent lipids to be further apart. 5) Which of the following statements best describes the relationship between photosynthesis and respiration? A) ATP molecules are produced in photosynthesis and used up in respiration. B) Respiration is the reversal of the biochemical pathways of photosynthesis. C) Photosynthesis stores energy in complex organic molecules, while respiration releases it. D) Respiration is anabolic and photosynthesis is catabolic. E) Photosynthesis occurs only in plants and respiration occurs only in animals. 6) Which type of organelle is primarily involved in the synthesis of oils, phospholipids, and steroids? A) lysosome B) ribosome C) smooth endoplasmic reticulum D) mitochondrion E) contractile vacuole 7) Large numbers of ribosomes are present in cells that specialize in producing which of the following molecules? A) lipids
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This note was uploaded on 02/28/2010 for the course BIO 50050 taught by Professor Batterton during the Fall '09 term at University of Texas at Austin.

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Biology Exam- - Pract ice Test for BIO 311C Chapters 6-11 Answer the 6 Big Qu estions on H andout 18 f irst Then test your knowledge on these pr

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