Questions: Which of the following forms of bacterial motility is observed using the hanging drop technique? Multiple Choice Ciliated Flagellated Brownian motion Amoeboid

Which of the following forms of bacterial motility is observed using the hanging drop technique? Multiple Choice Ciliated Flagellated Brownian motion Amoeboid
Transcript text: Which of the following forms of bacterial motility is observed using the hanging drop technique? Multiple Choice Ciliated Flagellated Brownian motion Amoeboid
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Solution

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The answer is the second one (Flagellated): Flagellated.

Explanation for each option:

  1. Ciliated: This term is typically used to describe the movement of eukaryotic cells that have cilia, such as certain protozoa or epithelial cells in animals. Bacteria do not have cilia; they have flagella for motility. Therefore, this option is incorrect.

  2. Flagellated: Bacteria that are motile often use flagella to move. The hanging drop technique is a method used to observe live bacteria and their motility, including the movement facilitated by flagella. Therefore, this option is correct.

  3. Brownian motion: This is the random movement of particles suspended in a fluid, resulting from their collision with fast-moving molecules in the fluid. It is not a form of motility driven by the bacteria themselves, but rather a passive movement. Therefore, this option is incorrect.

  4. Amoeboid: This type of movement is characteristic of amoebas and involves the cell changing shape to move. Bacteria do not exhibit amoeboid movement. Therefore, this option is incorrect.

In summary, the hanging drop technique is used to observe flagellated bacterial motility.

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