04-clicker-questions.pptx

PowerPoint® Clicker Questions prepared by Bradley W. Christian, McLennan Community College CHAPTER 4 Functional Anatomy of Prokaryotic and Eukaryotic Cells © 2016 Pearson Education, Ltd. Bacteria that divide in multiple planes and form grapelike clusters are called a) b) c) d) streptococci. staphylo...

PowerPoint® Clicker Questions prepared by Bradley W. Christian, McLennan Community College CHAPTER 4 Functional Anatomy of Prokaryotic and Eukaryotic Cells © 2016 Pearson Education, Ltd. Bacteria that divide in multiple planes and form grapelike clusters are called a) b) c) d) streptococci. staphylococci. coccobacilli. vibrios. © 2016 Pearson Education, Ltd. Bacteria that divide in multiple planes and form grapelike clusters are called a) b) c) d) streptococci. staphylococci. coccobacilli. vibrios. © 2016 Pearson Education, Ltd. Bacteria divide by a) b) c) d) binary fission. spore formation. mitosis. budding. © 2016 Pearson Education, Ltd. Bacteria divide by a) b) c) d) binary fission. spore formation. mitosis. budding. © 2016 Pearson Education, Ltd. Which of the following statements is TRUE for prokaryotes? a) b) c) d) They generally lack organelles. Their DNA is associated with histones. Their cell walls are chemically simple. Their DNA is enclosed in an internal membrane. © 2016 Pearson Education, Ltd. Which of the following statements is TRUE for prokaryotes? a) b) c) d) They generally lack organelles. Their DNA is associated with histones. Their cell walls are chemically simple. Their DNA is enclosed in an internal membrane. © 2016 Pearson Education, Ltd. How long are MOST bacteria? a) b) c) d) 0.2 to 2.0 µm 1.0 to 4.0 µm 2.0 to 8.0 µm 5.0 to 15.0 µm © 2016 Pearson Education, Ltd. How long are MOST bacteria? a) b) c) d) 0.2 to 2.0 µm 1.0 to 4.0 µm 2.0 to 8.0 µm 5.0 to 15.0 µm © 2016 Pearson Education, Ltd. The word Bacillus may refer to a) b) c) d) rod-shaped cells. spherical cells. a specific genus. rod-shaped cells and a specific genus. © 2016 Pearson Education, Ltd. The word Bacillus may refer to a) b) c) d) rod-shaped cells. spherical cells. a specific genus. rod-shaped cells and a specific genus. © 2016 Pearson Education, Ltd. Some bacteria stain gram-positive and others stain gram-negative because of differences in the structure of their a) b) c) d) cell wall. capsule. cell membrane. endospore. © 2016 Pearson Education, Ltd. Some bacteria stain gram-positive and others stain gram-negative because of differences in the structure of their a) b) c) d) cell wall. capsule. cell membrane. endospore. © 2016 Pearson Education, Ltd. The bacterial cell wall is composed of a) b) c) d) cellulose. glucan. chitin. peptidoglycan. © 2016 Pearson Education, Ltd. The bacterial cell wall is composed of a) b) c) d) cellulose. glucan. chitin. peptidoglycan. © 2016 Pearson Education, Ltd. The cell walls of gram-positive bacteria contain a) b) c) d) mannan. teichoic acid. cellulose. chitin. © 2016 Pearson Education, Ltd. The cell walls of gram-positive bacteria contain a) b) c) d) mannan. teichoic acid. cellulose. chitin. © 2016 Pearson Education, Ltd. The outer membrane of gram-negative bacteria contains a) b) c) d) sterols. mycolic acid. teichoic acid. lipopolysaccharide. © 2016 Pearson Education, Ltd. The outer membrane of gram-negative bacteria contains a) b) c) d) sterols. mycolic acid. teichoic acid. lipopolysaccharide. © 2016 Pearson Education, Ltd. Acid-fast cell walls contain high concentrations of a) b) c) d) teichoic acid. peptidoglycan. pseudomurein. mycolic acid. © 2016 Pearson Education, Ltd. Acid-fast cell walls contain high concentrations of a) b) c) d) teichoic acid. peptidoglycan. pseudomurein. mycolic acid. © 2016 Pearson Education, Ltd. A bacterium possessing a tuft of flagella at one end of its cell is called a) b) c) d) amphitrichous. lophotrichous. monotrichous. peritrichous. © 2016 Pearson Education, Ltd. A bacterium possessing a tuft of flagella at one end of its cell is called a) b) c) d) amphitrichous. lophotrichous. monotrichous. peritrichous. © 2016 Pearson Education, Ltd. What structure protects pathogenic bacteria from phagocytosis? a) b) c) d) capsule endospore flagellum axial filament © 2016 Pearson Education, Ltd. What structure protects pathogenic bacteria from phagocytosis? a) b) c) d) capsule endospore flagellum axial filament © 2016 Pearson Education, Ltd. Spirochetes move by means of a) b) c) d) axial filaments. flagella. pili. fimbriae. © 2016 Pearson Education, Ltd. Spirochetes move by means of a) b) c) d) axial filaments. flagella. pili. fimbriae. © 2016 Pearson Education, Ltd. Which of the following is NOT a part of a flagellum? a) b) c) d) filament hook fimbriae basal body © 2016 Pearson Education, Ltd. Which of the following is NOT a part of a flagellum? a) b) c) d) filament hook fimbriae basal body © 2016 Pearson Education, Ltd. Proteins that distinguish among serovars of gram-negative bacteria are found in which structures? a) b) c) d) fimbriae pili flagella axial filaments © 2016 Pearson Education, Ltd. Proteins that distinguish among serovars of gram-negative bacteria are found in which structures? a) b) c) d) fimbriae pili flagella axial filaments © 2016 Pearson Education, Ltd. Molecules of extrachromosomal DNA in bacteria are known as a) b) c) d) Golgi complexes. lysosomes. plasmids. ribosomes. © 2016 Pearson Education, Ltd. Molecules of extrachromosomal DNA in bacteria are known as a) b) c) d) Golgi complexes. lysosomes. plasmids. ribosomes. © 2016 Pearson Education, Ltd. Inclusions of iron oxide in bacteria are found in structures known as a) b) c) d) gas vacuoles. magnetosomes. endospores. metachromatic granules. © 2016 Pearson Education, Ltd. Inclusions of iron oxide in bacteria are found in structures known as a) b) c) d) gas vacuoles. magnetosomes. endospores. metachromatic granules. © 2016 Pearson Education, Ltd. Which of the following structures allows a cell to survive adverse environmental conditions? a) b) c) d) capsule carboxysome endospore gas vacuole © 2016 Pearson Education, Ltd. Which of the following structures allows a cell to survive adverse environmental conditions? a) b) c) d) capsule carboxysome endospore gas vacuole © 2016 Pearson Education, Ltd. Which of the following is NOT a way materials can move across prokaryotic plasma membranes? a) b) c) d) endocytosis simple diffusion facilitated diffusion osmosis © 2016 Pearson Education, Ltd. Which of the following is NOT a way materials can move across prokaryotic plasma membranes? a) b) c) d) endocytosis simple diffusion facilitated diffusion osmosis © 2016 Pearson Education, Ltd. Prokaryotic ribosomes are composed of two subunits of what sizes? a) b) c) d) 20S + 50S 30S + 40S 30S + 50S 40S + 60S © 2016 Pearson Education, Ltd. Prokaryotic ribosomes are composed of two subunits of what sizes? a) b) c) d) 20S + 50S 30S + 40S 30S + 50S 40S + 60S © 2016 Pearson Education, Ltd. The nucleus in a eukaryotic cell is surrounded by a) b) c) d) chromatin. a nuclear envelope. histones. nucleoli. © 2016 Pearson Education, Ltd. The nucleus in a eukaryotic cell is surrounded by a) b) c) d) chromatin. a nuclear envelope. histones. nucleoli. © 2016 Pearson Education, Ltd. In chloroplasts, chlorophyll is contained in flattened sacs called a) b) c) d) thylakoids. cristae. cisternae. vacuoles. © 2016 Pearson Education, Ltd. In chloroplasts, chlorophyll is contained in flattened sacs called a) b) c) d) thylakoids. cristae. cisternae. vacuoles. © 2016 Pearson Education, Ltd. Which organelle processes, modifies, and sends proteins to their correct destination? a) b) c) d) lysosome smooth endoplasmic reticulum Golgi complex mitochondria © 2016 Pearson Education, Ltd. Which organelle processes, modifies, and sends proteins to their correct destination? a) b) c) d) lysosome smooth endoplasmic reticulum Golgi complex mitochondria © 2016 Pearson Education, Ltd. Which organelle contains enzymes that can oxidize various organic substances? a) b) c) d) vacuole peroxisome Golgi complex centriole © 2016 Pearson Education, Ltd. Which organelle contains enzymes that can oxidize various organic substances? a) b) c) d) vacuole peroxisome Golgi complex centriole © 2016 Pearson Education, Ltd. Which organelle synthesizes phospholipids, fats, and steroids? a) b) c) d) chloroplast rough endoplasmic reticulum smooth endoplasmic reticulum Golgi complex © 2016 Pearson Education, Ltd. Which organelle synthesizes phospholipids, fats, and steroids? a) b) c) d) chloroplast rough endoplasmic reticulum smooth endoplasmic reticulum Golgi complex © 2016 Pearson Education, Ltd. Which of the following contain 70S ribosomes? a) b) c) d) prokaryotes mitochondria mitochondria and chloroplasts prokaryotes, mitochondria, and chloroplasts © 2016 Pearson Education, Ltd. Which of the following contain 70S ribosomes? a) b) c) d) prokaryotes mitochondria mitochondria and chloroplasts prokaryotes, mitochondria, and chloroplasts © 2016 Pearson Education, Ltd.