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CAMPBELL BIOLOGY IN FOCUS Urry • Cain • Wasserman • Minorsky • Jackson • Reece 4 A Tour of the Cell Questions prepared by Brad Stith, University of Colorado Denver Jung Choi, Georgia Institute of Technology © 2014 Pearson Education, Inc. Which cellular structure is common to all three domains of life? A. nucleus B. endoplasmic reticulum C. mitochondria D. phospholipid bilayer cell membrane E. endocytotic vesicles © 2014 Pearson Education, Inc. Which cellular structure is common to all three domains of life? A. nucleus B. endoplasmic reticulum C. mitochondria D. phospholipid bilayer cell membrane E. endocytotic vesicles © 2014 Pearson Education, Inc. Enzymes responsible for biosynthesis of membrane lipids would be located in what part of the cell? A. endoplasmic reticulum B. nucleus C. lysosomes D. Golgi E. plasma membrane © 2014 Pearson Education, Inc. Enzymes responsible for biosynthesis of membrane lipids would be located in what part of the cell? A. endoplasmic reticulum B. nucleus C. lysosomes D. Golgi E. plasma membrane © 2014 Pearson Education, Inc. Which of the following is not an argument for the theory that mitochondria and chloroplasts evolved from prokaryotic endosymbionts? A. Mitochondria and chloroplasts have double membranes. B. Mitochondria and chloroplasts have their own ribosomes. C. Mitochondria and chloroplasts have their own DNA. D. The mitochondrial and chloroplast genomes are circular. E. All of the above support the endosymbiotic theory. © 2014 Pearson Education, Inc. Which of the following is not an argument for the theory that mitochondria and chloroplasts evolved from prokaryotic endosymbionts? A. Mitochondria and chloroplasts have double membranes. B. Mitochondria and chloroplasts have their own ribosomes. C. Mitochondria and chloroplasts have their own DNA. D. The mitochondrial and chloroplast genomes are circular. E. All of the above support the endosymbiotic theory. © 2014 Pearson Education, Inc. Autophagy removes old damaged organelles like mitochondria. Decreased autophagy results in degeneration and inflammation and may result in the “symptoms” of aging. Which of the following organelle(s) is/are central to autophagy? A. smooth ER B. peroxisomes C. rough ER D. lysosomes E. Golgi apparatus © 2014 Pearson Education, Inc. Autophagy removes old damaged organelles like mitochondria. Decreased autophagy results in degeneration and inflammation and may result in the “symptoms” of aging. Which of the following organelle(s) is/are central to autophagy? A. smooth ER B. peroxisomes C. rough ER D. lysosomes E. Golgi apparatus © 2014 Pearson Education, Inc. What proteins are not made at the rough ER? A. insulin B. digestive enzymes of the gut C. antibodies in the blood D. enzymes found within the peroxisome organelle E. collagen (an extracellular matrix protein) © 2014 Pearson Education, Inc. What proteins are not made at the rough ER? A. insulin B. digestive enzymes of the gut C. antibodies in the blood D. enzymes found within the peroxisome organelle E. collagen (an extracellular matrix protein) © 2014 Pearson Education, Inc. What is the correct order of the exocytosis or secretion pathway? A. rough ER, endosome, Golgi, smooth ER B. rough ER, Golgi, smooth ER, exocytosis C. smooth ER, rough ER, exocytosis, Golgi D. rough ER, Golgi, transport vesicle, exocytosis E. rough ER, Golgi, endosome, exocytosis, transport vesicle © 2014 Pearson Education, Inc. What is the correct order of the exocytosis or secretion pathway? A. rough ER, endosome, Golgi, smooth ER B. rough ER, Golgi, smooth ER, exocytosis C. smooth ER, rough ER, exocytosis, Golgi D. rough ER, Golgi, transport vesicle, exocytosis E. rough ER, Golgi, endosome, exocytosis, transport vesicle © 2014 Pearson Education, Inc. Brefeldin A is a drug that disrupts transport from the ER to the Golgi apparatus. What other organelles and membranes are affected? A. lysosomes, transport vesicles, plasma membrane B. mitochondria, peroxisomes, plasma membrane C. vacuoles, mitochondria, plasma membrane D. lysosomes, transport vesicles, nuclear membrane E. all intracellular organelles and membranes © 2014 Pearson Education, Inc. Brefeldin A is a drug that disrupts transport from the ER to the Golgi apparatus. What other organelles and membranes are affected? A. lysosomes, transport vesicles, plasma membrane B. mitochondria, peroxisomes, plasma membrane C. vacuoles, mitochondria, plasma membrane D. lysosomes, transport vesicles, nuclear membrane E. all intracellular organelles and membranes © 2014 Pearson Education, Inc. Alcohol is destroyed in the cell by the removal of hydrogen atoms. Where does this occur? (Drugs are destroyed in the cell at a different location.) A. lysosome B. smooth ER C. peroxisome D. rough ER E. Golgi apparatus © 2014 Pearson Education, Inc. Alcohol is destroyed in the cell by the removal of hydrogen atoms. Where does this occur? (Drugs are destroyed in the cell at a different location.) A. lysosome B. smooth ER C. peroxisome D. rough ER E. Golgi apparatus © 2014 Pearson Education, Inc. Taxol, a drug approved for the treatment of breast cancer, prevents depolymerization of microtubules. What cellular function that affects cancer cells more than normal cells might Taxol interfere with? A. maintaining cell shape B. cell motility (cilia or flagella) C. chromosome movements in cell division D. cell division (cleavage furrow formation) E. cytoplasmic streaming © 2014 Pearson Education, Inc. Taxol, a drug approved for the treatment of breast cancer, prevents depolymerization of microtubules. What cellular function that affects cancer cells more than normal cells might Taxol interfere with? A. maintaining cell shape B. cell motility (cilia or flagella) C. chromosome movements in cell division D. cell division (cleavage furrow formation) E. cytoplasmic streaming © 2014 Pearson Education, Inc. Glucosamine, chondroitin, and hyaluronate are sold in health-food and grocery stores to help reduce pain and increase flexibility in the joints. They are molecules that make up A. collagen of extracellular matrix. B. proteoglycan complex of extracellular matrix. C. integrins. D. fibronectin. E. cytoskeleton. © 2014 Pearson Education, Inc. Glucosamine, chondroitin, and hyaluronate are sold in health-food and grocery stores to help reduce pain and increase flexibility in the joints. They are molecules that make up A. collagen of extracellular matrix. B. proteoglycan complex of extracellular matrix. C. integrins. D. fibronectin. E. cytoskeleton. © 2014 Pearson Education, Inc.