Cilia and flagella contain nine pairs of ________ surrounding a central pair.
A) microvilli
B) microfilaments
C) microsomes
D) microtubules
E) intermediate filaments

Question

Quizplus · Accepted Answer

Cilia and flagella are composed of microtubules, which are cylindrical structures made up of nine triplet microtubules surrounding a central pair of microtubules. This arrangement is known as the "9+2" structure.

Cilia and Flagella Contain Nine Pairs of ________ Surrounding a Central