Question
Download Solution PDFWhich membrane-bound cell organelle consisting of a small sac-like structure surrounded by single membranes serves as the cell's digestive system, allowing material taken from outside the cell to degrade and digest obsolete components of the cell?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is Lysosome.
Key Points
- Lysosome:
- Lysosomes are an important cell organelle found within eukaryotic animal cells.
- Due to their peculiar function, they are also known as the “suicide bags” of the cell.
- Lysosomes work as the waste-discarding structures of the cell by processing undesirable materials and degrading them, both from the exterior of the cell and waste constituents inside the cell.
- But sometimes, the digestive enzymes may end up damaging the lysosomes themselves, and this can cause the cell to die.
- This is termed autolysis, where “auto” means “self” and “lysis” means “the disintegration of the cell by the destruction of its cell membrane“
Additional Information
- Peroxisomes:
- It is a microbody.
- In-plant it helps in photorespiration.
- In animals concerned with peroxide metabolism.
- Glyoxysomes: These are the special type of peroxisomes found in plants & some fungi.
- Polysome: Many ribosomes may associate with a single mRNA to form multiple copies of a polypeptide simultaneously.
- Such strings of ribosomes are termed as Polysome.
Last updated on May 28, 2025
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