Answer
$\text{The cytoskeletal element which is the basis of centrioles are Microtubules. }$
$\text{The cytoskeletal element which is the basis of Microvilli are the cores of active microfilaments. }$
Work Step by Step
$\text{The cytoskeletal element which is the basis of centrioles are Microtubules. }$
$\text{The cytoskeletal element which is the basis of Microvilli are the cores of active microfilaments. }$
