Choose the correct statement(s) regarding the composition of plasma. Check all that apply. Check All That Apply Water represents 92% by weight. Water represents 92% by weight. Albumin is 60% of the total protein portion. Albumin is 60% of the total protein portion. Protein is the second most abundant plasma solute by weight. Protein is the second most abundant plasma solute by weight. The most abundant nitrogenous waste is urea. The most abundant nitrogenous waste is urea. Water represents 72% by weight.

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.

in addition to being able to metabolize, grow, digest food, and excrete wastes, what other functions must an organism perform if it is to survive? survival also depends on the ability to maintain one's boundaries, to move, to respond to stimuli, and to reproduce. oxygen is a survival need.