Early one morning, looking east, you see what appears to be a star. your friend, sheen, explains that it's not a star, it's a planet. which planet is it likely to be? a) neptune b) pluto c) uranus d) venus

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.

What are the two main phases of a cell cycle

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates