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Why is a capsule advantageous to a bacterium?

1. It allows the bacterium to attach to the surface
2. It protects the bacterium from desiccation
3. It provides means of locomotion
4. It allows bacterium to “hide” from host’s immune system

Correct answer: It allows bacterium to “hide” from host’s immune system

Solution

A capsule helps a bacterium evade the host immune response, especially by resisting phagocytosis and making it harder for immune cells to recognize and engulf it. That is why it can help the bacterium “hide” from the host’s immune system.

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