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Cytoskeleton is absent in...

Cytoskeleton is absent in

A

Bacteria and blue green algae

B

Mycoplasma and blue green algae

C

Bacteria and mycoplasma

D

Bacteria , Mycoplasma and blue green algae

Text Solution

AI Generated Solution

The correct Answer is:
### Step-by-Step Solution: 1. **Understand the Cytoskeleton**: The cytoskeleton is an elaborate network of proteinaceous structures found in the cytoplasm of cells. It plays a crucial role in maintaining the cell's shape, providing mechanical support, and facilitating cell motility. 2. **Identify Types of Cells**: Cells are broadly classified into two categories: prokaryotic and eukaryotic. Prokaryotic cells do not have membrane-bound organelles, while eukaryotic cells do. 3. **Know Where Cytoskeleton is Present**: The cytoskeleton is primarily present in eukaryotic cells. This includes cells from organisms such as plants, animals, fungi, and protists. 4. **Identify Prokaryotic Organisms**: Prokaryotic organisms include bacteria, mycoplasma, and blue-green algae (also known as cyanobacteria). These organisms lack a cytoskeleton. 5. **Conclusion**: Since the cytoskeleton is absent in prokaryotic organisms, the correct answer to the question "Cytoskeleton is absent in" is: **Bacteria, Mycoplasma, and Blue-Green Algae**. ### Final Answer: Cytoskeleton is absent in **Bacteria, Mycoplasma, and Blue-Green Algae**. ---
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