What does the cytoplasm do?

Which property is used to identify the origin of an igneous rock? color density hardness crystal size

What are the responsibilities of the region of the brain highlighted below? =+= will rate brainiest =+=

The small molecule cyclic amp (camp) takes about 0.2 second to diffuse 10 μm, on average, in a cell. suppose that camp is produced near the plasma membrane on one end of the cell; how long will it take for this camp to diffuse through the cytosol and reach the opposite end of a very large cell, on average? assume that the cell is 200 μm in diameter.