What component of the cytoskeletons do motor proteins use to transport vesicles?

Mark the following statements about the cytoskeleton as true or false. If a statement is false, correct it to make a true statement.

c. Microtubules are hollow tubes that align organelles and shuttle them to their proper places in the cell.

Mark the following statements about the cytoskeleton as true or false. If a statement is false, correct it to make a true statement.

d. Intermediate filaments are ropelike structures composed of tubulin proteins.

Mark the following statements about the cytoskeleton as true or false. If a statement is false, correct it to make a true statement.

f. Endocytosis, exocytosis, muscle cell contraction, and cellular 'crawling' are all mediated by intermediate filaments.

Mark the following statements about the cytoskeleton as true or false. If a statement is false, correct it to make a true statement.

f. Endocytosis, exocytosis, muscle cell contraction, and cellular 'crawling' are all mediated by intermediate filaments.

In human cells, ___________________ are used to move a cell within its environment while ___________________ are used to move objects in the environment relative to the cell.