IM TAKING MY SEMESTER EXAM H E L P

Atypical human cell is approximately 12.00 μm in diameter and enclosed by a membrane that is 5.000 nm thick. (a) what is the volume of the cell including the membrane? (b) what is the volume of the cell membrane? (c) what percent of the total volume does its membrane occupy? to simplify the calculations, model the cell as a sphere. enter your answers using four significant figures.

Compare the composition of the moon's surface with the composition of the earth's surface.

Diffusion and osmosis are forms of passive transport