On May 29, 1787, Virginia delegate Edmund Randolph proposed what became known as The Virginia Plan. Written primarily by fellow Virginian James Madison, the plan traced the broad outlines of what would become the U.S. Constitution: a national government consisting of three branches with checks and balances to prevent the abuse of power.
They have a variety of internal membrane-bound structures, called organelles, and a cytoskeleton composed of microtubules, microfilaments, and intermediate filaments, which play an important role in defining the cell's organization and shape.
What is the function of lysosomes in an animal cell? How are animal cells formed?