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Question

The outermost layer of bacterial cell is called ______.

A
cell membrane
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B
pili
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C
cell wall
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D
capsule
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Solution

The correct option is D capsule
Bacterial cells are covered by an outermost layer of capsule. The capsule mainly functions as a protective layer and provides protection to the bacteria against the external environment. It also adhesive properties and helps the bacterial cells to stay attached to each other. This helps in bacterial colony formation.

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