PowerPoint Clicker Questions: Chapter 4 Functional Anatomy of Prokaryotic and Eukaryotic Cells
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Questions and Answers

What is the size range for a bacterial cell in micrometers?

  • 2.0 to 8.0 (correct)
  • 1.0 to 4.0
  • 0.2 to 2.0
  • 5.0 to 15.0

    • The word 'Bacillus' may specifically refer to:

  • a specific genus
  • spherical cells
  • rod-shaped cells
  • rod-shaped cells and a specific genus (correct)

    • What structural component is responsible for the Gram staining differences in bacteria?

  • capsule
  • cell wall (correct)
  • endospore
  • cell membrane

    • What is the primary component of the bacterial cell wall?

    <p>peptidoglycan</p> Signup and view all the answers

    Which compound is a characteristic component of the cell wall in gram-positive bacteria?

    <p>teichoic acid</p> Signup and view all the answers

    What is present in the outer membrane of gram-negative bacteria?

    <p>lipopolysaccharide</p> Signup and view all the answers

    Which size range is NOT typical for a bacterial cell?

    <p>-2.0 to 2.0 µm</p> Signup and view all the answers

    Which term is used to describe bacteria that divide in multiple planes and form grapelike clusters?

    <p>Staphylococci</p> Signup and view all the answers

    How do bacteria typically divide?

    <p>Binary fission</p> Signup and view all the answers

    Which of the following statements is true for prokaryotes?

    <p>They generally lack organelles.</p> Signup and view all the answers

    What is the typical length range for MOST bacteria?

    <p>1.0 to 4.0 µm</p> Signup and view all the answers

    Which term describes bacteria that divide in long chains?

    <p>Streptococci</p> Signup and view all the answers

    What is the method of reproduction for bacteria where a protective coat is formed around their DNA?

    <p>Spore formation</p> Signup and view all the answers

    Which of the following components is NOT typically found in prokaryotic cells?

    <p>Nucleus</p> Signup and view all the answers

    What is the main function of the cell wall in most bacterial cells?

    <p>Protection from desiccation</p> Signup and view all the answers

    Which bacterial structure helps in distinguishing among serovars of gram-negative bacteria?

    <p>Fimbriae</p> Signup and view all the answers

    What are the proteins that distinguish among serovars of gram-negative bacteria found in?

    <p>Fimbriae</p> Signup and view all the answers

    What are molecules of extrachromosomal DNA in bacteria known as?

    <p>Plasmids</p> Signup and view all the answers

    Inclusions of iron oxide in bacteria are found in structures known as?

    <p>Magnetosomes</p> Signup and view all the answers

    Which structure allows a cell to survive adverse environmental conditions?

    <p>Endospore</p> Signup and view all the answers

    What is the function of filament hook in bacteria?

    <p>Contribute to cell movement</p> Signup and view all the answers

    Which structure plays a role in the adhesion of bacteria to surfaces?

    <p>Pili</p> Signup and view all the answers

    'Gas vacuoles' are primarily involved in what cellular function?

    <p>Providing buoyancy control</p> Signup and view all the answers

    What protects pathogenic bacteria from phagocytosis?

    <p>Endospore</p> Signup and view all the answers

    Which of the following is characteristic of acid-fast cell walls?

    <p>Mycolic acid</p> Signup and view all the answers

    What type of bacteria possesses a tuft of flagella at one end of its cell?

    <p>Lophotrichous</p> Signup and view all the answers

    Which structure is NOT a part of a flagellum?

    <p>Fimbriae</p> Signup and view all the answers

    What does the outer membrane of gram-negative bacteria contain?

    <p>Lipopolysaccharide</p> Signup and view all the answers

    How do spirochetes move?

    <p>Axial filaments</p> Signup and view all the answers

    What is the structure that gives acid-fast cell walls resistance to chemicals?

    <p>Mycolic acid.</p> Signup and view all the answers

    What is the term for a bacterium possessing flagella all over its surface?

    <p>Peritrichous.</p> Signup and view all the answers

    Which organelle processes, modifies, and sends proteins to their correct destination?

    <p>Golgi complex</p> Signup and view all the answers

    Which organelle contains enzymes that can oxidize various organic substances?

    <p>Peroxisome</p> Signup and view all the answers

    Which organelle synthesizes phospholipids, fats, and steroids?

    <p>Smooth endoplasmic reticulum</p> Signup and view all the answers

    Which of the following contain 70S ribosomes?

    <p>Prokaryotes, mitochondria, and chloroplasts</p> Signup and view all the answers

    What is the function of peroxisomes in a cell?

    <p>Breakdown of fatty acids and detoxification of harmful substances</p> Signup and view all the answers

    Which organelle is responsible for photosynthesis in plant cells?

    <p>Chloroplast</p> Signup and view all the answers

    Where can 80S ribosomes be found in eukaryotic cells?

    <p>Cytoplasm and rough endoplasmic reticulum</p> Signup and view all the answers

    Which organelle is involved in cellular waste disposal and recycling?

    <p>Vacuole</p> Signup and view all the answers

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