Q. Which one of the following statements is true for actin?
(A) Actin filament is structurally polarized and the two ends are not identical
(B) De novo actin polymerization is a single-step process
(C) The pointed end of the actin filaments is the fast growing end
(D) Actin forms spindle fibers during mitosis
Ans: Actin filament is structurally polarized and the two ends are not identical
![Determine the correctness (or otherwise) of the following Assertion [A] and the Reason [R]](https://www.gkseries.com/blog/wp-content/uploads/2023/10/Determine-the-correctness-or-otherwise-of-the-following-Assertion-A-and-the-Reason-R.jpg)
