Biochemistry Quiz#4: Cilia Structure

1. A 25-year-old man presents to the clinic with chronic sinusitis, bronchiectasis, and a history of male infertility. A diagnosis of Kartagener syndrome is suspected. This condition is often linked to a defect in which of the following components of the cilium? 

Question 1 of 5

2. The ultrastructural arrangement of microtubules in most motile cilia can be described as: 

Question 2 of 5

3. A researcher is studying a protein involved in the movement of respiratory cilia. This protein is responsible for generating the force needed for ciliary bending. This description best fits which of the following components? 

Question 3 of 5

4. Which of the following best describes the role of gap junctions in relation to ciliary function? 

Question 4 of 5

5. A child presents with recurrent respiratory infections and an examination reveals situs inversus. Genetic testing indicates a mutation affecting the ciliary structure. This mutation most likely impairs the function of: 

Question 5 of 5


 

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