What is the role of the microfilamets in the cell

• Help an amoeba make pseudopods or false feet.

• Help the cell move around its environment.

• Help muscles to contract.

• All of these are correct.

Microtubules are made up of which of the following proteins?

• Thrombin

• Tubulin

• Actin

• Microtubules are not made up of a specific protein.

If a patient has trouble contracting his muscles then he probably has abnormalities in_______________________________?

• Smooth Endoplasmic reticulum

• Microtubules

• Intermediate filaments

• Microfilaments

The movement of cytokinesis at the end of Mitosis, squeezing the two new cells apart, is possible because of this structure of the cytoskeleton:_____________________________

The spindle fibers that move the chromosomes during mitosis are made of ________________

The motor proteins move along the ____________________________ towards to cell membrane.

A nanometer is _______________ of a meter.

The three structures that make up the cytoskeleton are :_______________________________, ________________________, and ___________________________.

Cilia and Flagella are made up of _____________________________.

Check the statements that are correct for intermediate filaments

• Measure 10nm

• Serve as anchorage to the organelles

• Give structure to the cell

• Are made of alfa and beta tubulin

• Make up the spindle fibers