試題詳解

35. Which mechanism best explains actin treadmilling?
(A) Simultaneous polymerization and depolymerization at both filament ends.
(B) Net addition of ATP-actin at the barbed end and loss of ADP-actin at the pointed end.
(C) Periodic severing of filaments by cofilin.
(D). Continuous ATP hydrolysis without filament growth.
(E) Retrograde flow driven by myosin II.