Which type of actin-binding protein is known to decrease cytoplasmic viscosity by breaking existing actin filaments into two or more pieces?
A)monomer-polymerizing proteins
B)cross-linking proteins
C)filament-severing proteins
D)actin-filament depolymerizing proteins
E)end-blocking proteins

Question

Quizplus · Accepted Answer

Filament-severing proteins such as gelsolin and severin are known to decrease cytoplasmic viscosity by breaking existing actin filaments into two or more pieces, leading to increased mobility and turnover of actin filaments.

Which Type of Actin-Binding Protein Is Known to Decrease Cytoplasmic