Plasma Membrane: Structure and Function
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Questions and Answers

What is the main function of the plasma membrane?

  • Maintaining the shape and strength of the animal cell
  • Assisting in the synthesis of proteins
  • Providing energy to the cell
  • Facilitating selective transport of substances in and out of the cell (correct)

    • What is the chemical composition of the plasma membrane?

  • Carbohydrates and nucleic acids
  • Amino acids and vitamins
  • Lipids and proteins (correct)
  • Proteins and minerals

    • Which type of cell contains the plasma membrane?

  • Only animal cell
  • Neither plant nor animal cell
  • Both plant and animal cell (correct)
  • Only plant cell

    • What is another term for the plasma membrane due to its characteristic of allowing only selected substances to pass through?

    <p>Semi-permeable membrane</p> Signup and view all the answers

    Who expanded the cell theory by suggesting that all cells arise from pre-existing cells?

    <p>Rudolf Virchow</p> Signup and view all the answers

    Which year did the discovery of the electron microscope take place, allowing for the observation of the complex structure of cells and their organelles?

    <p>1940</p> Signup and view all the answers

    What type of organism is Amoeba based on the number of cells it is composed of?

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

    Which scientist is credited with coining the term 'cell'?

    <p>Matthias Schleiden</p> Signup and view all the answers

    In which organisms do cells group together to form various body parts?

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

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