The
cytoskeleton
is a network of 3 types of
protein
fibers.
Microfilaments
are made of 2 strands of
actin
and function in cell movement, such as crawling of an amoeba.
Video: amoeba crawling
Microtubules
are made of
tubulin
subunits that provide transport.
Video: organelle movement
Intermediate filaments
are made of overlapping
protein
fibers that anchor organelles in place and hold cells together.
Video: skin cells
The cytoskeleton is a network of 3 types of protein fibers.
