Purpose: To critically explore how osmosis occurs within a semi-permeable membrane with a variety of concentrations of sugar solutions. Hypothesis: If the 20% concentrated sucrose solution is placed in distilled water, then the weight of the dialysis bag will increase because the fluid within the dialysis bag is hypertonic to the environment. Thus, they will…
Diffusion refers to how something is widely distributed or spread across. A drop of ink, for example will spread through a glass of water until the ink and water blend into a single mixture. Plants, animals, things and ideas are all capable of diffusing in new regions or cultures. A person needs more of the…
Solute: substances that are dissolved in fluid (eg. salt) Solvent: the liquid the solute is dissolved in (eg. water) Passive Transport movement of materials across a cell membrane without energy; Movement along a concentration gradient Diffusion movement of particles from an area of high concentration to an area of low concentration movement will continue until…
Biological Solutions Solutes are substances that are dissolved in a liquid to form a solution. The liquid that the solutes are dissolved in is referred to as a solvent. In biological systems, molecules that must enter or leave cells are the solutes and water is the solvent. Diffusion All particles are constantly and randomly moving. …