Which of the following is normally associated with the cilia of organisms from protists to mammals?
A)a 9 + 0 pattern
B)a 9 + 1 pattern
C)a 9 + 2 pattern
D)a 9 + 3 pattern
E)none of these choices

Question

Quizplus · Accepted Answer

The 9 + 2 pattern refers to the arrangement of microtubules in the axoneme (central core) of cilia and flagella. This pattern consists of nine pairs of peripheral microtubules surrounding two central microtubules. This pattern is present in cilia of a wide range of organisms, from protists to mammals. The 9 + 0 pattern (A) refers to the arrangement of microtubules in non-motile cilia, and the 9 + 1 pattern (B) is found in primary cilia, which have a single central microtubule. The 9 + 3 pattern (D) does not exist in biological systems.

Which of the Following Is Normally Associated with the Cilia