1. Click to edit Master title style Click to edit Master subtitle style CLICKER QUESTIONS For CAMPBELL BIOLOGY, NINTH EDITION Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson © 2011 Pearson Education, Inc. A Tour of the Cell Chapter 6 Questions prepared by Jung Choi Georgia Institute of Technology

2. © 2011 Pearson Education, Inc. Which cellular structure is common to all 3 domains of life? a)Nucleus b)Endoplasmic reticulum c)Mitochondria d)Phospholipid bilayer cell membrane e)Endocytotic vesicles

3. © 2011 Pearson Education, Inc. Difference between Plant and Animal Cells Which of these organelles are absent in plant cells? a)mitochondria b)centrioles c)microtubules d)all of the above e)none of the above

4. © 2011 Pearson Education, Inc. Nucleic Acid Localizat ion If you treat cells with radioactive UTP, where in the cell would you expect the greatest concentration of radioactivity within the first few minutes? a)nuclear matrix b)cytoplasm c)rough ER d)nucleolus

5. © 2011 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

6. © 2011 Pearson Education, Inc. Endomembrane System A membrane protein synthesized in the rough ER may be directed to a)peroxisomes. b)lysosomes. c)mitochondria. d)all of the above

7. © 2011 Pearson Education, Inc. Golgi Brefeldin A is a drug that disrupts transport from the ER to the Golgi apparatus. What other organelles and membranes are affected? a)lysosomes, vacuoles, plasma membrane b)lysosomes, peroxisomes, plasma membrane c)vacuoles, mitochondria, plasma membrane d)lysosomes, vacuoles, nuclear membrane e)all intracellular organelles and membranes

8. © 2011 Pearson Education, Inc. According to the endosymbiont theory, which of the following organelles were once endosymbiotic prokaryotic organisms? a)Mitochondria and lysosomes b)Mitochondria and chloroplasts c)Chloroplasts and Golgi apparatus d)Golgi apparatus and ribosomes e)Ribosomes and lysosomes

9. © 2011 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.

10. © 2011 Pearson Education, Inc. Microtubule Function Taxol, a drug approved for 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)cilia or flagella c)chromosome movements in cell division d)cell division (cleavage furrow formation) e)cytoplasmic streaming

11. © 2011 Pearson Education, Inc. ECM in Plant and Animal Cells The difference in the structures of animal cell extracellular matrix and plant cell walls reflects what fundamental difference(s) in their adaptive strategies? a)Animal cells must move more than plant cells. b)Animal cells have to be more responsive to changes in their environment. c)Animal cells have to communicate with each other more than plant cells. d)all of the above