Cell Biology: Cytoplasm and Cell Membrane
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Questions and Answers

Which organelle is surrounded by a membrane and contains enzymes?

  • Centrioles
  • Ribosomes
  • Lysosomes (correct)
  • Cytoskeleton
  • What is the function of the cell membrane?

  • Protein synthesis
  • Defining the boundary of the cell (correct)
  • Energy production
  • Intracellular digestion
  • Which stain can be used to demonstrate the cell membrane under light microscopy?

  • Hematoxylin
  • Methylene blue
  • Silver (correct)
  • Eosin
  • How does the cell membrane appear under electron microscopy?

    <p>As three layers: outer electron dense, middle electron lucent, and inner electron dense</p> Signup and view all the answers

    Which organelle is NOT surrounded by a membrane and does NOT have enzymes?

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

    What is the fundamental unit of structure and function in all living organisms?

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

    Which branch of biology focuses on the study of plants?

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

    What are the core objectives of learning Cell Biology?

    <p>Understanding the structures and functions of cells</p> Signup and view all the answers

    Which cellular component is responsible for generating and utilizing energy in cells?

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

    Which scientist is known for his quote 'Life Begins with Cells'?

    <p>Walter Gilbert</p> Signup and view all the answers

    Which of the following aspects of cell biology is NOT covered in the core objectives of learning Cell Biology?

    <p>The genetic makeup of prokaryotic and eukaryotic cells</p> Signup and view all the answers

    Which branch of Biology is NOT listed as a sub-branch of Biology in the provided text?

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

    Which scientist is NOT mentioned in the text as a molecular biology pioneer and Nobel Prize laureate?

    <p>Paul Nurse</p> Signup and view all the answers

    What is the credit value of the CELL BIOLOGY: Fundamental Unit module?

    <p>8</p> Signup and view all the answers

    Which type of session is NOT mentioned as part of the CELL BIOLOGY: Fundamental Unit module?

    <p>Workshops (industrial settings)</p> Signup and view all the answers

    Study Notes

    Cell Structure

    • Eukaryotic cells consist of two main components: cytoplasm and nucleus.

    Cytoplasm

    • Cytoplasm is a jelly-like substance located between the cell membrane and the nucleus.
    • It is composed of three main components: cytosol, inclusions, and organelles.

    Cytosol

    • Cytosol is a gel-like structure within the cytoplasm.
    • It is composed of soluble proteins and enzymes.

    Inclusions

    • Inclusions are intracellular non-living substances.
    • They are temporary, not essential, and metabolically inert.
    • Examples of inclusions include water-containing vacuoles, lipids, and pigments of hair cells.

    Organelles

    • Organelles are living intracellular structures with specific vital functions.
    • They are permanent, essential in all nucleated cells, and metabolically active.
    • Organelles have vital functions and are found in all nucleated cells.

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    Description

    Test your understanding of cell biology with a focus on the cytoplasm and cell membrane. This quiz covers the definition of cytoplasm, its components, and its role in eukaryotic cells.

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