13. Which statement is true about the process of mitosis? * A. The process occurs only in plants.
B. The process occurs only in animals.
C. The process occurs in every type of organism.
D. The process occurs only in multicellular organisms.

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.