Arteries divide into smaller and smaller blood vessels that are called these vessels deliver food and oxygen to cells through their thin walls what is it Arterias

Capillaries

Veins

None of above

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.

Agene editing technology called crispr-cas9 uses cellular machinery to change the cell's genetic material. how might this technology be useful in treating diseases like cancer?

20 the main source of energy for our planet comes from the