Flagella and Cilia Bend or Move, Imparting Mobility to Cells

question 32

Multiple Choice

Flagella and cilia bend or move, imparting mobility to cells. How do these structures move?

• A) Two microtubules at the core of the structure serve as motor proteins.
• B) Dynein is a motor protein that hydrolyzes ATP and is responsible for movement of the cilium or flagellum.
• C) Axonemes are structured such that movement is constant.
• D) The basal body at the base of the structure hydrolyzes ATP, causing a conformational change that results in movement of the cilium or flagellum.

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