Cell theory establishes which of the following conclusions about cells? A) all cells have the same size and shape
B) all cells form by free-cell formation
C) all cells are produced by other living cells
D) all cells have a cell wall

*will mark brainliest to the first and correct answer less species diversity results in less a. oxygen b. food c. drinkable water d. all of the 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.

Which type of landform forms at the plate boundary as a result of divergent stress