The flow of true and ecosystem is one of the most important factors that determines the systems capacity to sustain

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.

Which statement best describes the first stage of cellular respiration? check all that apply

Why do the circulatory systems of land vertebrates have separate circuits to the lungs and to the rest of the body?