Protein filaments

Question 1

Microfilaments

Answer 1

-Actin/Myosin contractile fibers
-Allow for movement of cell parts
-Make up the majority of the basic cell skeleton around the perimeter of the cell giving it strength and structure
-Structural components of microvilli

Question 2

Intermediate Filaments

Answer 2

-Primarily keratin fibers, as well as other types of proteins
-Are components of cell junctions that attach cells to one another
-Help to stabilize cell parts

Question 3

Microtubules

Answer 3

-Tubulin proteins
-Allow for movement of cell parts
-Build the centrioles of centrosomes that build the mitotic spindle to move chromosomes during cell division
-Build cilia of certain epithelial cells