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Which statement is not true about bacter...

Which statement is not true about bacteria ?

A

Bacterial cells are morphologically much simpler than eukaryotic cells

B

The cytoplasm of bacterial cell contains several structures that are not enclosed with membrane

C

Capsule of bacterial cell provides protection.

D

Oxygenic photosynthesis is most common in eubacteria.

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The correct Answer is:
### Step-by-Step Solution: 1. **Understanding Bacteria**: Bacteria are single-celled organisms that belong to the prokaryotic domain. They are simpler in structure compared to eukaryotic cells, which have membrane-bound organelles. 2. **Evaluating the Statements**: - **Statement 1**: "Bacteria cells are morphologically much simpler than eukaryotic cells." - This statement is true. Bacterial cells lack membrane-bound organelles and are generally simpler than eukaryotic cells. - **Statement 2**: "The cytoplasm of a bacterial cell contains several structures that are not enclosed with a membrane." - This statement is also true. Bacterial cytoplasm contains ribosomes and other structures that are not membrane-bound. - **Statement 3**: "The capsule of the bacteria cell provides protection." - This statement is true. The capsule is a protective layer that surrounds the cell wall of some bacteria and is made of polysaccharides. - **Statement 4**: "Oxygenic photosynthesis is the most common in eubacteria." - This statement is not true. Oxygenic photosynthesis primarily occurs in plants, algae, and cyanobacteria, not in eubacteria. 3. **Conclusion**: The statement that is not true about bacteria is: "Oxygenic photosynthesis is the most common in eubacteria."
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