Microtubules, microfilaments, and intermediate filaments make up the which lies beneath the plasma membrane and provides support, movement, and shape for the cell.

a. cell wall
b. cytoplasm
c. cytoskeleton
d. golgi complex

Many organizations release indexes used to measure the development of the world's countries. as we learned in this lesson, these indexes measure many factors, from life expectancy to happiness. in your opinion, what are the three most important factors we can use to determine how developed a country might be? explain your answers in a few sentences.