What is the role of actin in eukaryotic cells?
A) It provides strength in stretching and compression of a cell.
B) It forms the spindle that pulls chromosomes apart.
C) It forms the centromere that holds sister chromatids together.
D) It is necessary for the DNA to replicate.
E) It forms the structures that inside flagella that allow the bending motion for cell motion (swimming) .
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