________ provide motility to a sperm cell, ________ act as sensory "antennae" in many cells, and ________ increase a cell's surface area.
A. Microvilli; cilia; flagella
B. Microvilli; flagella; cilia
C. Flagella; microvilli; cilia
D. Flagella; cilia; microvilli
E. Cilia; microvilli; flagella
Answer: D
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