Cytoskeleton and microtuble structures for chapter 3 quiz

Three major protien fibers of cytoskelton

• Microfilimants or actin filaments

• Intermediate filaments

• Microtubles

What are microfilaments made out of?

Actin

Function of microfiliments

• Forms core of microvilli

• Is used during cytokenesis

What does Microvilli do?

Greatly increses surface area for absorbtion

What are intermidiate filaments made out of

Keratin

Functions of intermediate filaments:

• Strengthen cell and mantain shape of cell

• stabalize position of organelles

• Anchors and connects cells

What are microtubules made out of?

tubulin

Funtions of Microtubules

• Provide dynamicshape of cells

• function movement of virtually everything within the cell

• Forms internal structure of cillia, flagella, and centrioles

Where are centroles located in and what is their function

Centrosome and they form the mitotic spindle