Colorado Esthetician Written Practice Exam

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How do cilia move in comparison to flagella?

In a random motion
In a rowing-like motion
In a sliding motion
In a snake-like motion

The correct answer is: In a random motion

Cilia and flagella are both hair-like structures found on the surface of cells, but they have different functions and movements. Cilia are shorter and more numerous than flagella, and they move in a coordinated rowing-like motion. This motion helps to move substances along the cell's surface or propel the cell itself. On the other hand, flagella are longer and usually found singly or in pairs, enabling them to move in a whip-like motion for propulsion. Therefore, the correct answer is not a rowing-like motion but a random motion.