Biology and Microscopy Quiz
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Questions and Answers

What is the color of the nucleus when stained with hematoxylin?

  • blue (correct)
  • orange
  • green
  • red
  • What is the main function of the cell membrane that is not related to transport?

  • synthesis of immunoglobulins (correct)
  • establishing transport systems
  • regulating cell-cell interaction
  • protein synthesis
  • What is the thickness of the plasmalemma?

  • 75 um
  • 750 nm
  • 7.5 nm (correct)
  • 7.5 um
  • What is the characteristic of passive transport?

    <p>occurs without input of energy</p> Signup and view all the answers

    What is the term for the cell 'coat' that is visible in electron micrographs?

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

    Which type of channel is not gated?

    <p>K+ leak</p> Signup and view all the answers

    What is the primary component of the microscope's optical system?

    <p>Lens and eyepiece</p> Signup and view all the answers

    What is the function of the cell membrane that involves regulating interactions with other cells?

    <p>Regulating cell-cell interaction</p> Signup and view all the answers

    What is the term for the carbohydrate-rich region on the outer surface of the cell membrane?

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

    Which type of cells are responsible for engulfing and digesting foreign particles and cellular debris?

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

    What type of molecules are used to intensely stain the glycocalyx?

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

    What type of channel is responsible for maintaining the resting potential of a cell?

    <p>K+ leak channel</p> Signup and view all the answers

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