Understanding Protoplasm in Cells
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Questions and Answers

What is the living part of a cell that is surrounded by a plasma membrane?

  • Nucleoplasm
  • Cytoplasm
  • Protoplasm (correct)
  • Chromatoplasm
  • According to Sharp (1921), what term was used to refer to the entire cell, excluding the cell wall?

  • Protoplasm (correct)
  • Cytoplasm
  • Chromatoplasm
  • Nucleoplasm
  • For Strasburger (1882), what did the cytoplasm definition exclude?

  • Plastids (correct)
  • Vacuole
  • Chromatoplasm
  • Nucleus
  • In older usage, what was the extra-nuclear portion of the protoplast called?

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

    Who coined the term 'nucleoplasm'?

    <p>van Beneden</p> Signup and view all the answers

    According to Mohl (1846), protoplasm is a general term for which of the following?

    <p>Cytoplasm and nucleoplasm</p> Signup and view all the answers

    In Sharp's (1921) definition, what is composed of protoplasm according to the older usage?

    <p>The extra-nuclear portion of the protoplast and the nucleus</p> Signup and view all the answers

    Which term was coined by van Beneden (1875) for the living substance in its broader sense?

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

    What did Strasburger's (1882) cytoplasm definition exclude?

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

    According to Kölliker (1863), what was 'cytoplasm' originally coined as a synonym for?

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

    What is the primary component of the cell membrane?

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

    Which type of proteins span the membrane and serve as membrane transporters?

    <p>Integral proteins</p> Signup and view all the answers

    What do glycolipids embedded in the outer lipid layer serve as?

    <p>Facilitators of cell signaling</p> Signup and view all the answers

    In addition to controlling the movement of substances, what other function are cell membranes involved in?

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

    What is the carbohydrate layer called that the cell membrane serves as an attachment surface for?

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

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