Question

Which phrase describes the structure of cilia? A. long, whiplike structures B. short, hairlike structures C. stringy extensions on a cell's surface D. thick, fibrous projections

Answer 1

Short hair-like projections, many bacteria and unicellular eukaryotes make use of cilia for locomotion. Humans also make use of cilia - they are found in the respiratory system and are used to carry mucus.