The Bending Movements of Cilia and Flagella

question 19

Multiple Choice

The bending movements of cilia and flagella

• A) are accomplished by alternate solation and gelation of the cytosol.
• B) involve the alternate assembly and disassembly of actin filaments.
• C) are produced by the sliding of adjacent microtubule doublets past each other.
• D) are important in providing motility for many organisms but are not of any use in humans.
• E) none of these answers.

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Definitions:

Eosinophils

A type of white blood cell that is involved in combating multicellular parasites and certain infections in vertebrates, also associated with allergic reactions.

Parasitic Worm Infection

An infestation by helminths, a type of parasitic worm, which can cause disease and malnutrition.

Phagocytic Cells

A type of immune cell capable of engulfing and absorbing bacteria and other small cells and particles.

Neutrophils

A type of white blood cell that helps heal damaged tissues and resolve infections.