Multiple Choice
Microtubules are arranged in which of the following arrays?
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15. Cytoskeleton and Cell Movement
Cilia and Flagella
Multiple Choice
In eukaryotic cells, what are the short, hairlike surface projections that beat to move a cell or move fluid across the cell surface?
A
Microvilli
B
Flagella
C
Pseudopodia
D
Cilia
Verified step by step guidance1
Identify the structures listed in the problem: Microvilli, Flagella, Pseudopodia, and Cilia.
Recall that microvilli are short projections that increase surface area for absorption but do not move.
Understand that flagella are longer, whip-like structures used primarily for cell movement, not short and hairlike.
Know that pseudopodia are temporary, arm-like extensions of the cytoplasm used for movement or engulfing particles, not hairlike projections.
Recognize that cilia are short, hairlike projections on the cell surface that beat rhythmically to move the cell or fluid across the cell surface, matching the description in the question.
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