Viral Reproduction and Cell Shape Quiz
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Questions and Answers

What part of the virus enters the host cell during infection?

  • Protein coat
  • Nucleic acid core (correct)
  • Lipid membrane
  • Enzymes
  • In a multicellular organism, what mainly determines the shape of a cell?

  • Surface tension
  • Protoplasm viscosity
  • Exoskeleton
  • Functional adaptations (correct)
  • What structural components help maintain the shape of a unicellular organism's cell?

  • Cytoplasm and ribosomes
  • Surface tension and viscosity
  • Microtubules and microfilaments
  • Tough plasma membrane and exoskeleton (correct)
  • What is the typical range of eukaryotic cell sizes mentioned in the text?

    <p>10 to 100 μm</p> Signup and view all the answers

    Which organelle is responsible for the metabolic activity of a eukaryotic cell?

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

    What component of a virus is crucial for taking over the metabolic activity of the host cell?

    <p>The viral genetic substance</p> Signup and view all the answers

    What is the main function of the cell wall in plant cells?

    <p>Providing protection and mechanical support</p> Signup and view all the answers

    Which substance mainly makes up the cell wall?

    <p>Cellulose, pectin, hemicellulose, and lignin</p> Signup and view all the answers

    What is the primary function of the plasma membrane in animal cells?

    <p>Control selectively the entrance and exit of materials</p> Signup and view all the answers

    What is the structure of the plasma membrane at the molecular level?

    <p>Continuous bilayer of lipid molecules with embedded proteins</p> Signup and view all the answers

    Which component gives the plasma membrane its selectively permeable nature?

    <p>Lipid molecule bilayer</p> Signup and view all the answers

    Which structure found in plant cells determines their shape and prevents desiccation?

    <p>Cell wall</p> Signup and view all the answers

    Which of the following is NOT a function of a cell in the human body?

    <p>Producing electricity for bodily functions</p> Signup and view all the answers

    Which category of cells includes animal cells, plant cells, fungal cells, and protist cells?

    <p>Eukaryotic cells</p> Signup and view all the answers

    Which organelle is responsible for breaking down waste products and foreign substances within a cell?

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

    Which of the following processes occurs in plant cells but not in animal cells?

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

    Which of the following statements correctly describes a virus?

    <p>A virus is not a cell, but a non-living particle that can infect cells</p> Signup and view all the answers

    Which of the following is an example of an organ system in the human body?

    <p>Digestive system</p> Signup and view all the answers

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