What are two ways that compounds are different from the elements that form them?

What are the genotypic and phenotypic ratios

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

Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.