Introduction to Cell Components: Cell Membrane, Nucleus, and Cytoskeleton
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Questions and Answers

What is the main function of the cell membrane?

  • Support and shape of the cell
  • Protection and control of movement of substances (correct)
  • Site of formation of ribosomes
  • Role in mitosis and cell motility
  • Which organelle is described as the 'brain of the cell'?

  • Cell membrane
  • Nucleolus
  • Cytoskeleton
  • Nucleus (correct)
  • What is the function of nucleolus in the cell?

  • Support and shape of the cell
  • Route for organelle movement in cytoplasm
  • Role in mitosis and cell motility
  • Site of formation of ribosomes (correct)
  • Which component is associated with cancer as a disease of nucleic origin?

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

    What is the common feature in neurodegenerative diseases related to the cytoskeleton?

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

    Which organelle is responsible for ATP production?

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

    Which organelle forms the spindle fibers in mitosis of every cell?

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

    Which organelle is particularly abundant in cells with great phagocytic activity?

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

    Which organelle is responsible for protein synthesis?

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

    Which organelle is involved in the process of autophagy and heterophagy?

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

    Study Notes

    Cell Biology

    • The main function of the cell membrane is to regulate what enters and leaves the cell.

    Cellular Organelles

    • The nucleus is described as the 'brain of the cell' because it contains the cell's genetic material.
    • The nucleolus is responsible for ribosome synthesis and plays a crucial role in protein synthesis.
    • DNA is the component associated with cancer as a disease of nucleic origin.
    • The common feature in neurodegenerative diseases related to the cytoskeleton is the abnormal aggregation of cytoskeletal proteins.
    • Mitochondria are the organelles responsible for ATP production.
    • The centrioles are responsible for forming the spindle fibers in mitosis of every cell.
    • Lysosomes are particularly abundant in cells with great phagocytic activity, such as macrophages.
    • Ribosomes are the organelles responsible for protein synthesis.
    • Lysosomes are involved in the process of autophagy and heterophagy, which are mechanisms of cellular recycling.

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    Description

    This quiz covers the basic components of a cell including the cell membrane, nucleus, and cytoskeleton. It includes information about their structure, functions, and significance in cell biology.

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