The fluid portion of the cytosol, devoid of any cell organelles, present in both the prokaryotic and eukaryotic cell is ____________.

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SSC GD Constable 2025 Official Paper (Held On: 10 Feb, 2025 Shift 2)
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  1. nucleoplasm
  2.  hyaloplasm
  3. protoplasm
  4.  lysosome

Answer (Detailed Solution Below)

Option 2 :  hyaloplasm
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The Correct answer is Hyaloplasm.

Key Points

  • Hyaloplasm refers to the fluid portion of the cytosol that does not contain any cell organelles.
  • It serves as the basic matrix or ground substance of the cytoplasm, often called the cytoplasmic matrix.
  • Hyaloplasm is present in both prokaryotic and eukaryotic cells, serving as a medium for biochemical reactions.
  • This fluid component is responsible for hosting various molecules, such as enzymes, ions, and proteins, which play crucial roles in cellular processes.
  • It provides a structural framework for the cell and facilitates the movement of organelles and substances within the cytoplasm.
  • The term "hyaloplasm" is derived from the Greek word "hyalos" meaning glass, indicating its clear and transparent nature.
  • Unlike the organelles suspended within the cytoplasm, the hyaloplasm is devoid of any visible structures under a microscope.
  • It plays a vital role in maintaining the homeostasis of the cell by balancing the distribution of ions and nutrients.

 Additional Information

  • Nucleoplasm
    • Nucleoplasm, also known as nuclear sap, is the fluid found inside the nucleus of eukaryotic cells.
    • It serves as a medium for the suspension of nuclear components such as chromatin and nucleolus.
    • It also plays a role in the exchange of substances between the nucleus and cytoplasm through nuclear pores.
  • Protoplasm
    • Protoplasm refers to the entire living content of a cell, which includes both the cytoplasm and nucleoplasm.
    • It is considered the fundamental substance of life, hosting all vital cellular activities.
  • Lysosome
    • Lysosomes are membrane-bound organelles containing digestive enzymes, primarily involved in breaking down cellular waste and recycling cellular components.
    • They are often referred to as the "suicide bags" of the cell due to their role in autophagy.
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