What happens to the arm during blood pressure using a stethescope

What is the relation ship between structure and function in an organism

During binary fission, what events must occur before the cell splits into two new cells?

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.