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Multiple Choice
How are cilia different from flagella in eukaryotic cells?
A
Cilia are used primarily for locomotion, while flagella are used for sensory functions.
B
Cilia and flagella have completely different structural components.
C
Cilia are found only in prokaryotic cells, while flagella are found only in eukaryotic cells.
D
Cilia are typically shorter and more numerous than flagella.
Verified step by step guidance
1
Understand the basic functions of cilia and flagella: Both cilia and flagella are hair-like structures that extend from the surface of eukaryotic cells. They are primarily involved in movement and sensory functions.
Examine the structural differences: Cilia are typically shorter and more numerous than flagella. Flagella are longer and usually fewer in number, often one or two per cell.
Consider the movement patterns: Cilia move in a coordinated, wave-like manner, which can be used to move fluid over the cell surface or propel the cell itself. Flagella move in a whip-like motion, which is effective for propelling cells through liquid.
Identify the cellular locations: Both cilia and flagella are found in eukaryotic cells, not prokaryotic cells. They share similar structural components, such as microtubules arranged in a '9+2' pattern.
Clarify the misconception: The statement that cilia are found only in prokaryotic cells and flagella only in eukaryotic cells is incorrect. Both structures are present in eukaryotic cells, and they share similar structural components.