Question

which is true concerning microfilaments? select all that apply a made of actin b two chains twisted around each other. c allows movement of certain cells d involved in some cell to cell junctions

Explanation:

Microfilaments are made of actin filaments. They are involved in cell - cell junctions and also play a role in cell movement. They are two - stranded polymers of actin subunits (not two chains twisted around each other in the sense described here).

Answer:

A. made of actin
C. allows movement of certain cells
D. involved in some cell to cell junctions