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Option 2 : Cell wall
Explanation:
- Cell Wall: A rigid layer of polysaccharides lying outside the plasma membrane of the cells of plants, fungi, and bacteria. In the algae and higher plants, it consists mainly of cellulose.
- Mitochondria: It is a double-layered cell organelle, in which the outer layer is porous and the inner layer is folded upon itself is known to be mitochondria. It is called the powerhouse of the cell.
- Vacuoles are organelles of plant, fungal, and algal cells.
- They are part of the internal membrane system and are separated from the rest of the cytoplasm by a membrane called the tonoplast.
- Vacuoles play crucial roles in cell expansion, serve as storage compartments for nutrients, and function as lytic organelles that contain digestive enzymes.
- The Cell membrane is the selectively permeable living boundary of the cell. It is also called Biomembrane or Plasma membrane.
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