The statement that subunit A has 13 protofilaments and subunit B has 10 protofilaments refers to the core of a
A) microvillus
B) cilium
C) stereocilium
D) villus
E) brush border

Question

Quizplus · Accepted Answer

The statement refers to the structure of microtubules, which are the core of cilia and flagella. Cilia and flagella are composed of microtubules arranged in a characteristic pattern, with subunit A having 13 protofilaments and subunit B having 10 protofilaments. The other structures listed do not have a core composed of microtubules.

The Statement That Subunit a Has 13 Protofilaments and Subunit