Ineed quick biology ! catalysts increase the rate of a reaction by a) being consumed during the reaction. b) raising the temperature of the reaction. c) raising the concentration of the reactants. d) lowering the activation energy of a reaction.

What happens when water’s salinity increases? mass decreases. freezing point decreases. buoyancy of objects decreases. the amount of dissolved minerals decreases.

Membrane vesicles containing an internal sodium chloride (nacl) concentration of 0.14 m are placed into separate beakers each containing a different solution. the first beaker contains 0.14 m sucrose, while the second beaker contains 0.14 m calcium chloride (cacl2). the temperature is 25°c. what is the solute potential inside the vesicles, expressed in units of mpa?

Ducks and beavers both have webbed feet