Microfilaments

Multiple Choice

Microfilaments

A) are composed of eight protofilaments joined end to end with staggered overlaps.
B) are composed of two helical strands of actin monomers oriented in the same direction.
C) are composed of two helical antiparallel strands of actin monomers.
D) are composed of α- and β-actin dimers.
E) polymerize at the same rate from both ends of the filament.