Take your time to see the picture and answer. (40 points) ~biology~ in your own words, describe the functions of two of the membranes shown in the art of the amniotic egg.

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

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.

Why did the federal government end its support of yucca mountain as a site for long-term storage of nuclear water