Multiple Choice
Which of the following structures do prokaryotic cells lack?
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5. Cell Components
Prokaryotic & Eukaryotic Cells
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What is the primary difference between cilia and flagella in eukaryotic cells?
A
Cilia are typically shorter and more numerous than flagella.
B
Flagella are used for attachment to surfaces, while cilia are used for movement.
C
Cilia are found only in prokaryotic cells, while flagella are found only in eukaryotic cells.
D
Flagella move in a wave-like motion, while cilia move in a rotary motion.
Verified step by step guidance1
Begin by understanding the basic structure and function of cilia and flagella. Both are hair-like structures that extend from the surface of eukaryotic cells and are involved in movement.
Cilia are typically shorter and more numerous than flagella. They often cover the entire surface of the cell and move in a coordinated, wave-like manner to propel the cell or move fluid across the cell surface.
Flagella are usually longer and fewer in number compared to cilia. They are primarily used for locomotion and move in a whip-like or wave-like motion to propel the cell forward.
Clarify the misconception that cilia are found only in prokaryotic cells. In fact, both cilia and flagella are found in eukaryotic cells, although prokaryotic cells can have structures similar to flagella.
Understand the movement differences: cilia move in a coordinated wave-like motion, while flagella move in a wave-like motion, not rotary. This distinction is important for understanding their roles in cell movement and function.
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