What coefficient should be included with the Oxygen molecule (O2)? * 2 points
Al + O₂ → Al₂O3
no coefficient needed
O 2
3

If the concentration of phosphate in the cytosol is 2.0 mm and the concentration of phosphate in the surrounding fluid is 0.1 mm, how could the cell increase the concentration of phosphate in the cytosol? a) passive transportb) diffusionc) active transportd) osmosise) facilitated diffusion

Which is an example of a reversible physical change?

•hydration •dissociation •dissolving which one goes to which