Which process moves molecules and has these traits? -moves from high concentration to low concentration
--moves from uneven distribution to even distribution
-can occur when there is no membrane
active transport in a cell
diffusion
osmosis
passive transport in a cell

Chemical kinetics what was the rate of reaction in trial 3? choose the closest answer.

24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins