What two things determine whether or not a molecule is polar? choose all that apply. that means more than one. a. the temperature of the molecule b. the polarity of the bonds of the molecule c. molecule shape d. whether carbon is in the molecule. i believe that c is one of them. i still need whichever other ones there are

Maria wants to determine which type of disinfectant kills the most bacteria. which of the following is the best way for maria to determine this? a. ask ten different companies that make disinfectants which type is best. b. put the same amount and species of bacteria on ten identical plates, and add ten different kinds of disinfectant to each plate. c. interview ten different people to determine which type of disinfectant they prefer. d. put the same amount and species of bacteria on ten identical plates, and add a different disinfectant to each plate.

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

If a particle has z = 25 and 23 electrons, what is its charge?